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tác giả
SIÊU GOM Đề kiểm tra giữa kì 2 tiếng anh 8 global success CÓ ĐÁP ÁN, FILE NGHE NĂM 2023-2024 được soạn dưới dạng file word, pdf,. audio gồm các file, thư mục trang. Các bạn xem và tải đề kiểm tra giữa kì 2 tiếng anh 8 global success về ở dưới.
I. VOCABULARY: Review all the words from unit 7 to 9 about topics:
1. Pollution
2. English speaking countries
3. Natural disasters
II. PRONUNCIATION
- Stress in words ending in -ic and -al
- Stress in words ending in -ese and -ee
- Stress in words ending in -logy and -graphy
III. GRAMMAR
1. Conditional sentences type 1. (Câu điều kiện loại 1)
Câu điều kiện loại 1 là câu điều kiện diễn tả tình trạng có thật ở hiện tại hoặc tương lai.
Chú ý: Thì hiện tại đơn có thể được dùng trong mệnh đề chính để diễn tả một điều kiện luôn đúng.
2. Conditional sentences type 2. (Câu điều kiện loại 2)
Câu điều kiện loại 2 là câu điều kiện không có thật thường dùng để nói lên sự tưởng tượng của người nói. (Điều kiện không thể xảy ra ở hiện tại hoặc tương lai).
3. The Present Simple (Thì Hiện tại đơn)
a) Công thức: S + Vinf/V-s/es + O
b) Cách dùng:
- Diễn tả thói quen hằng ngày.
- Diễn tả sự việc hay sự thật hiển nhiên.
- Diễn tả sự việc xảy ra trong tương lai theo thời gian biểu hay lịch trình.
c) Dấu hiệu:
- every day / week / month …
- always, usually, often, sometimes, seldom, never, …
- once, twice, three times, …
4. The Present Perfect (Hiện tại hoàn thành)
a) Công thức:
(+) I /You/ We/ They/ Danh từ số nhiều + have + V-ed/Vp3
He / She / It/ Danh từ số ít + has + V-ed/Vp3
(-) I /You/ We/ They / Dang từ số nhiều + haven’t + V-ed/Vp3
He / She / It/ Danh từ số ít + hasn’t + V-ed/Vp3
(?) Have + I /You/ We/ They/ Danh từ số nhiều + V-ed/Vp3?
Has + He / She / It/ Danh từ số ít + V-ed/Vp3?
b) Cách dùng:
- Diễn tả sự việc xảy ra trong quá khứ và kéo dài đến hiện tại.
- Diễn tả sự việc vừa mới xảy ra nhưng không đề cập đến thời gian, thường dùng với các từ như just, already, yet.
- Nói về các sự việc vừa mới xảy ra và hậu quả của nó vẫn còn ảnh hưởng đến hiện tại.
- Nói về trải nghiệm hay kinh nghiệm, thường đi kèm với ever/ never.
c) Dấu hiệu:
- ever, never, so far, several times, just, already, yet
- since + mốc thời gian
- for + khoảng thời gian
5. The Past Perfect (Quá khứ hoàn thành)
a) Công thức: S + had + V-ed/Vp3
b) Cách dùng: Thì Quá khứ hoàn thành được dùng để diễn tả:
- Hành động đã xảy ra và đã kết thúc trước một thời điểm trong quá khứ.
- Hành động đã xảy ra và kết thúc trước một hành động quá khứ khác (hành động xảy ra trước dùng quá khứ hoàn thành, hành động xảy ra sau dùng quá khứ đơn).
- Hành động đã xảy ra và kéo dài đến một thời điểm nào đó trong quá khứ.
c) Dấu hiệu nhận biết:
before, after, when, by the time, by the end of
6. Passive voice (Câu bị động)
* Thể khẳng định: S + be + Vp3/ V-ed + (by + O)
* Thể phủ định: S + be + not + Vp3/ V-ed + (by + O)
* Thể nghi vấn: (Wh-) Be + S + Vp3/ V-ed + (by + O)?
Chú ý: Động từ “be” được chia theo thì trong câu chủ động
Công thức câu bị động theo thì:
HTĐ: S + is/am/are + Vp3/ V-ed + (by + O)
HTHT: S + have/ has + been + Vp3/ V-ed + (by + O)
HTTD: S + was/ were + being + Vp3/ V-ed + (by + O)
QKĐ: S + was/ were + Vp3/ V-ed + (by + O)
QKTD: S + had + been + Vp3/ V-ed + (by + O)
TLĐ: S + will + be + Vp3/ V-ed + (by + O)
IV. WRITING TOPICS
1. A type of pollution in your area
2. How to reduce pollution
3. The schedule for your visit
I. Choose the word which has different sound in the part underlined.
1. A. wanted B. washed C. danced D. helped
2. A. goes B. watches C. misses D. brushes
3. A. come B. mother C. open D. some
4. A. mention B. question C. action D. education
II. Choose the word which has different stress pattern from the others.
1. A. athletic B. historic C. dramatic D. scientific
2. A. medical B. national C. chemical D. informal
3. A. economic B. artistic C. politic D. electric
4. A. botanical B. physical C. environmental D. historical
III. Put the verbs in brackets into the correct form.
1. If we (recycle) ________ more, we will help the Earth.
2. Factories (not dump) ______________waste into rivers if the government fine them heavily.
3. If people travel to work by bus, there (be) ______________fewer car fumes.
4. We (save) ________________thousands of trees if we don’t waste paper.
5. If we use water carefully, more people (have) ______________fresh water.
6. If I were you, I (look) ________________ for a new place to live.
7. If Lan wasn’t ill, she (join) ________________ out tree planting activity.
8. If there were fewer cars on the road, there (be) ________________ less pollution.
9. If people really cared about the environment, they (not dump) ___________ waste into the lake.
10. If there was no fresh water in the world, what (happen) ________________?
IV. Put the verbs in brackets into the correct form.
1. Maria_______ (learn) English for two years.
2. Linda is a teacher. She_______ (teach) for ten years.
3. Sarah is very tired, she (work) _______very hard recently.
4. They__________ (not eat) anything all the morning.
5. She__________(go) out since 5 a.m.
6. Where's John? He_______(listen) to a new CD in his room.
7. Don't forget to take your umbrella with you to London. You know it always_________ (rain) in England.
8. Jean_______ (work) hard all day but she_______(not work) at the moment.
9. Look! That boy_______ (run) after the bus. He_______ (want) to catch it.
10. Shhh! The boss_______ (come). We _______(meet) him in an hour and nothing is ready!
V. Change the following sentences into passive form.
1. My father waters this flower every morning.
………………………………………………………………………………………………….
2. John invited Fiona to his birthday party last night.
………………………………………………………………………………………………….
3. Her mother is preparing the dinner in the kitchen.
………………………………………………………………………………………………….
4. We should clean our teeth twice a day.
………………………………………………………………………………………………….
5. Some drunk drivers caused the accident in this city.
………………………………………………………………………………………………….
6. Tom will visit his parents next month.
………………………………………………………………………………………………….
7. They were having dinner at this time yesterday.
………………………………………………………………………………………………….
8. She has learnt English since she was six years old.
………………………………………………………………………………………………….
Choose the word whose underlined part is pronounced differently from the others.
1. A. cholera B. loch C. chemical D. discharge
2. A. survivor B. debris C. disaster D. predict
Choose the word with different stress from the others in each question.
3. A. referee B. guarantee C. Japanese D. Jubilee
4. A. disaster B. tsunami C. injury D. provision
Choose the best answer A, B, C or D to complete the following sentences
5. This is one of the worst volcanic __________ in this year.
A. eruption B. erupt C. erupting D. eruptive
6. The roof of the building __________ in a storm a few days ago.
A. damaged B. was damaged C. has damaged D. has been damaged
7. Since 1965, the maple tree with the leaves __________the most well-known Canadian symbol.
A. became B. becomes C. has become D. is becoming
8. Australian _______ do not vary from area to area like in many other countries.
A. accents B. voices C. speeches D. sayings
9. When there is a__________ lot of rocks and earth fall down a hill.
A. drought B. landslide C. flood D. rain
10. The Red Cross helped homeless families to _________ from the disaster through the project.
A. stop B. prevent C. recover D. return
11. After she _________on all the dresses in the shop, she bought the most expensive one.
A. tries B. tried C. had tried D. will try
12. During the next 24 hours, the storm will be moving north, around 10 km per hour and is expected to__________ the southeastern part of China's Guangdong Province.
A. strike B. scatter C. bury D. struck
13. Australia has a range of different ________ including urban areas, mountain ranges, desert and rain forests.
A. landscapes B. sights C. places D. destinations
14. I __________you translate this text into French if we had a dictionary.
A. help B. will help C. can help D. could help
15. Glass panels, windows, lawns and roofs make light pollution worse_____ they reflect both artificial and sun light.
A. so B. but C. because D. unless
16. Americans throw ______ twenty-eight and a half million tons of plastic in landfills every year.
A. out B. on C. in D. away
17. If the factory _________ dumping poison into the lake, all the aquatic animals will die.
A. continues B. continued C. will continue D. continue
18. When the policeman came to the scene, the driver of the car __________.
A. have left B. had left C. leaves D. was left
Choose the word that is OPPOSITE in meaning to the underlined part in the following sentence.
19. In some English speaking countries, turkey is traditional food at Christmas.
A. national B. historical C. modern D. possible
Choose the word that is CLOSEST in meaning to the underlined part in the following sentence.
20. Pollutions are harmful to human health.
A. effective B. bad C. dramatic D. industrial
Choose the underlined part that needs correcting in each sentence below.
21.The earthquake occurred at midday when many people had lunch.
A. occurred B. midday C. many D. had
22. Water pollute in the lake has made the fish die.
A. pollute B. has C. made D. die
Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
The Gherkin is one of several modern buildings that have been built over the years in a historic area of London. The (23)___ skyscraper was built in 2004, and its unique, and energy-efficient design has won the Gherkin many (24)___. The cigar-shaped structure has a steel frame (25)___circular floor planes and a glass facade with diamond-shaped panels. The building's energy-saving (26)___ allows the air to flow up through spiraling wells. The top of the tower, (27) _____visitors find an open hall covered by a glass conical dome, is even more spectacular. From here you have great views over the city.
23. A. 41 stories B. 41-stories C. 41-story D. story-41
24. A. awards B. rewards C. stories D. achievements
25. A. of B. with C. at D. in
26. A. machine B. machines C. system D. systems
27. A. where B. at where C. from where D. there
Read the passage, and choose the correct answer A, B, C or D for each question.
Pollution can be seen not only throughout the world, but also in our own homes. It comes from household chemicals, the amount of water people use and the waste people produce and throw away. What can be done to stop this pollution? Surprisingly, a person can help save the environment by doing simple things.
First, we need to recycle, which allows products to be used over and over again. Recycling can also reduce the number of trees cut down to produce paper products. It takes very little effort. It is not hard to place plastic and glass bottles, aluminum cans and paper in a bin. Anyone can do it.
Second, we need to watch the amount of water used in the home. It can be conserved by taking short shower instead of baths, repairing leaky faucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth.
Third, we need to reduce waste. We need to recycle whenever possible, but should also try to use this waste effectively. For example, grass clippings and food scraps can be made into compost for plants. The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling and reusing.
If we do our part in our own homes, we can help keep the planet from becoming more polluted.
28. Pollution can be caused from the following sources except_____________.
A. house chemicals B. water from household
C. wastes D. water in rivers
29. Recycling can help us_____________.
A. never cut down trees B. use products again and again
C. place garbage bins easily D. produce more paper products
30. In order to save water, we can do all of the following things except_____________.
A. take short showers instead of baths B. repair leaky faucets
C. fully use the washing machine D. turn the faucet off while brushing your teeth
31. Recycling helps to reduce waste because_____________.
A. plants need to develop B. a person can do it in his home
C. waste can be recycled and reused D. an average man produces compost for plants
32. The word "It" in paragraph 2 refer to_____________.
A. recycling B. the number C. cutting down D. effort to
Write the sentences with the same meaning to the first ones. Use words given.
33. Aquatic life suffers or dies because there is thermal pollution. (because of) ....................................................................................................................................................
34. You use compact light bulbs. You save a lot of energy. (If).
....................................................................................................................................................
35. People speak English all over the world. (is) ....................................................................................................................................................
36. The waiter took my plate. I didn’t finish eating my meal yet. (before) ....................................................................................................................................................
THẦY CÔ TẢI NHÉ!
ĐỀ CƯƠNG ÔN TẬP THI GIỮA HỌC KÌ 2 MÔN TIẾNG ANH LỚP 8
A. TÓM TẮT LÝ THUYẾT
A. TÓM TẮT LÝ THUYẾT
I. VOCABULARY: Review all the words from unit 7 to 9 about topics:
1. Pollution
2. English speaking countries
3. Natural disasters
II. PRONUNCIATION
- Stress in words ending in -ic and -al
- Stress in words ending in -ese and -ee
- Stress in words ending in -logy and -graphy
III. GRAMMAR
1. Conditional sentences type 1. (Câu điều kiện loại 1)
IF CLAUSE (Mệnh đề If) | MAIN CLAUSE (Mệnh đề chính) |
If + S + Vinf/ V(s/es), | S + will/ won’t + V (bare infinitive) |
Chú ý: Thì hiện tại đơn có thể được dùng trong mệnh đề chính để diễn tả một điều kiện luôn đúng.
2. Conditional sentences type 2. (Câu điều kiện loại 2)
IF CLAUSE (Mệnh đề If) | MAIN CLAUSE (Mệnh đề chính) |
If +S + V-ed/Vp2, (tobe - were) | S + would / could/ might (not) + V(infinitive) |
3. The Present Simple (Thì Hiện tại đơn)
a) Công thức: S + Vinf/V-s/es + O
b) Cách dùng:
- Diễn tả thói quen hằng ngày.
- Diễn tả sự việc hay sự thật hiển nhiên.
- Diễn tả sự việc xảy ra trong tương lai theo thời gian biểu hay lịch trình.
c) Dấu hiệu:
- every day / week / month …
- always, usually, often, sometimes, seldom, never, …
- once, twice, three times, …
4. The Present Perfect (Hiện tại hoàn thành)
a) Công thức:
(+) I /You/ We/ They/ Danh từ số nhiều + have + V-ed/Vp3
He / She / It/ Danh từ số ít + has + V-ed/Vp3
(-) I /You/ We/ They / Dang từ số nhiều + haven’t + V-ed/Vp3
He / She / It/ Danh từ số ít + hasn’t + V-ed/Vp3
(?) Have + I /You/ We/ They/ Danh từ số nhiều + V-ed/Vp3?
Has + He / She / It/ Danh từ số ít + V-ed/Vp3?
b) Cách dùng:
- Diễn tả sự việc xảy ra trong quá khứ và kéo dài đến hiện tại.
- Diễn tả sự việc vừa mới xảy ra nhưng không đề cập đến thời gian, thường dùng với các từ như just, already, yet.
- Nói về các sự việc vừa mới xảy ra và hậu quả của nó vẫn còn ảnh hưởng đến hiện tại.
- Nói về trải nghiệm hay kinh nghiệm, thường đi kèm với ever/ never.
c) Dấu hiệu:
- ever, never, so far, several times, just, already, yet
- since + mốc thời gian
- for + khoảng thời gian
5. The Past Perfect (Quá khứ hoàn thành)
a) Công thức: S + had + V-ed/Vp3
b) Cách dùng: Thì Quá khứ hoàn thành được dùng để diễn tả:
- Hành động đã xảy ra và đã kết thúc trước một thời điểm trong quá khứ.
- Hành động đã xảy ra và kết thúc trước một hành động quá khứ khác (hành động xảy ra trước dùng quá khứ hoàn thành, hành động xảy ra sau dùng quá khứ đơn).
- Hành động đã xảy ra và kéo dài đến một thời điểm nào đó trong quá khứ.
c) Dấu hiệu nhận biết:
before, after, when, by the time, by the end of
6. Passive voice (Câu bị động)
* Thể khẳng định: S + be + Vp3/ V-ed + (by + O)
* Thể phủ định: S + be + not + Vp3/ V-ed + (by + O)
* Thể nghi vấn: (Wh-) Be + S + Vp3/ V-ed + (by + O)?
Chú ý: Động từ “be” được chia theo thì trong câu chủ động
Công thức câu bị động theo thì:
HTĐ: S + is/am/are + Vp3/ V-ed + (by + O)
HTHT: S + have/ has + been + Vp3/ V-ed + (by + O)
HTTD: S + was/ were + being + Vp3/ V-ed + (by + O)
QKĐ: S + was/ were + Vp3/ V-ed + (by + O)
QKTD: S + had + been + Vp3/ V-ed + (by + O)
TLĐ: S + will + be + Vp3/ V-ed + (by + O)
IV. WRITING TOPICS
1. A type of pollution in your area
2. How to reduce pollution
3. The schedule for your visit
B. BÀI TẬP ÔN TẬP
I. Choose the word which has different sound in the part underlined.
1. A. wanted B. washed C. danced D. helped
2. A. goes B. watches C. misses D. brushes
3. A. come B. mother C. open D. some
4. A. mention B. question C. action D. education
II. Choose the word which has different stress pattern from the others.
1. A. athletic B. historic C. dramatic D. scientific
2. A. medical B. national C. chemical D. informal
3. A. economic B. artistic C. politic D. electric
4. A. botanical B. physical C. environmental D. historical
III. Put the verbs in brackets into the correct form.
1. If we (recycle) ________ more, we will help the Earth.
2. Factories (not dump) ______________waste into rivers if the government fine them heavily.
3. If people travel to work by bus, there (be) ______________fewer car fumes.
4. We (save) ________________thousands of trees if we don’t waste paper.
5. If we use water carefully, more people (have) ______________fresh water.
6. If I were you, I (look) ________________ for a new place to live.
7. If Lan wasn’t ill, she (join) ________________ out tree planting activity.
8. If there were fewer cars on the road, there (be) ________________ less pollution.
9. If people really cared about the environment, they (not dump) ___________ waste into the lake.
10. If there was no fresh water in the world, what (happen) ________________?
IV. Put the verbs in brackets into the correct form.
1. Maria_______ (learn) English for two years.
2. Linda is a teacher. She_______ (teach) for ten years.
3. Sarah is very tired, she (work) _______very hard recently.
4. They__________ (not eat) anything all the morning.
5. She__________(go) out since 5 a.m.
6. Where's John? He_______(listen) to a new CD in his room.
7. Don't forget to take your umbrella with you to London. You know it always_________ (rain) in England.
8. Jean_______ (work) hard all day but she_______(not work) at the moment.
9. Look! That boy_______ (run) after the bus. He_______ (want) to catch it.
10. Shhh! The boss_______ (come). We _______(meet) him in an hour and nothing is ready!
V. Change the following sentences into passive form.
1. My father waters this flower every morning.
………………………………………………………………………………………………….
2. John invited Fiona to his birthday party last night.
………………………………………………………………………………………………….
3. Her mother is preparing the dinner in the kitchen.
………………………………………………………………………………………………….
4. We should clean our teeth twice a day.
………………………………………………………………………………………………….
5. Some drunk drivers caused the accident in this city.
………………………………………………………………………………………………….
6. Tom will visit his parents next month.
………………………………………………………………………………………………….
7. They were having dinner at this time yesterday.
………………………………………………………………………………………………….
8. She has learnt English since she was six years old.
………………………………………………………………………………………………….
ĐỀ THI THỬ GIỮA HỌC KÌ 2 MÔN TIẾNG ANH LỚP 8
Choose the word whose underlined part is pronounced differently from the others.
1. A. cholera B. loch C. chemical D. discharge
2. A. survivor B. debris C. disaster D. predict
Choose the word with different stress from the others in each question.
3. A. referee B. guarantee C. Japanese D. Jubilee
4. A. disaster B. tsunami C. injury D. provision
Choose the best answer A, B, C or D to complete the following sentences
5. This is one of the worst volcanic __________ in this year.
A. eruption B. erupt C. erupting D. eruptive
6. The roof of the building __________ in a storm a few days ago.
A. damaged B. was damaged C. has damaged D. has been damaged
7. Since 1965, the maple tree with the leaves __________the most well-known Canadian symbol.
A. became B. becomes C. has become D. is becoming
8. Australian _______ do not vary from area to area like in many other countries.
A. accents B. voices C. speeches D. sayings
9. When there is a__________ lot of rocks and earth fall down a hill.
A. drought B. landslide C. flood D. rain
10. The Red Cross helped homeless families to _________ from the disaster through the project.
A. stop B. prevent C. recover D. return
11. After she _________on all the dresses in the shop, she bought the most expensive one.
A. tries B. tried C. had tried D. will try
12. During the next 24 hours, the storm will be moving north, around 10 km per hour and is expected to__________ the southeastern part of China's Guangdong Province.
A. strike B. scatter C. bury D. struck
13. Australia has a range of different ________ including urban areas, mountain ranges, desert and rain forests.
A. landscapes B. sights C. places D. destinations
14. I __________you translate this text into French if we had a dictionary.
A. help B. will help C. can help D. could help
15. Glass panels, windows, lawns and roofs make light pollution worse_____ they reflect both artificial and sun light.
A. so B. but C. because D. unless
16. Americans throw ______ twenty-eight and a half million tons of plastic in landfills every year.
A. out B. on C. in D. away
17. If the factory _________ dumping poison into the lake, all the aquatic animals will die.
A. continues B. continued C. will continue D. continue
18. When the policeman came to the scene, the driver of the car __________.
A. have left B. had left C. leaves D. was left
Choose the word that is OPPOSITE in meaning to the underlined part in the following sentence.
19. In some English speaking countries, turkey is traditional food at Christmas.
A. national B. historical C. modern D. possible
Choose the word that is CLOSEST in meaning to the underlined part in the following sentence.
20. Pollutions are harmful to human health.
A. effective B. bad C. dramatic D. industrial
Choose the underlined part that needs correcting in each sentence below.
21.The earthquake occurred at midday when many people had lunch.
A. occurred B. midday C. many D. had
22. Water pollute in the lake has made the fish die.
A. pollute B. has C. made D. die
Choose the word or phrase among A, B, C or D that best fits the blank space in the following passage.
The Gherkin is one of several modern buildings that have been built over the years in a historic area of London. The (23)___ skyscraper was built in 2004, and its unique, and energy-efficient design has won the Gherkin many (24)___. The cigar-shaped structure has a steel frame (25)___circular floor planes and a glass facade with diamond-shaped panels. The building's energy-saving (26)___ allows the air to flow up through spiraling wells. The top of the tower, (27) _____visitors find an open hall covered by a glass conical dome, is even more spectacular. From here you have great views over the city.
23. A. 41 stories B. 41-stories C. 41-story D. story-41
24. A. awards B. rewards C. stories D. achievements
25. A. of B. with C. at D. in
26. A. machine B. machines C. system D. systems
27. A. where B. at where C. from where D. there
Read the passage, and choose the correct answer A, B, C or D for each question.
Saving the Environment: One Home at a Time
Pollution can be seen not only throughout the world, but also in our own homes. It comes from household chemicals, the amount of water people use and the waste people produce and throw away. What can be done to stop this pollution? Surprisingly, a person can help save the environment by doing simple things.
First, we need to recycle, which allows products to be used over and over again. Recycling can also reduce the number of trees cut down to produce paper products. It takes very little effort. It is not hard to place plastic and glass bottles, aluminum cans and paper in a bin. Anyone can do it.
Second, we need to watch the amount of water used in the home. It can be conserved by taking short shower instead of baths, repairing leaky faucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth.
Third, we need to reduce waste. We need to recycle whenever possible, but should also try to use this waste effectively. For example, grass clippings and food scraps can be made into compost for plants. The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling and reusing.
If we do our part in our own homes, we can help keep the planet from becoming more polluted.
28. Pollution can be caused from the following sources except_____________.
A. house chemicals B. water from household
C. wastes D. water in rivers
29. Recycling can help us_____________.
A. never cut down trees B. use products again and again
C. place garbage bins easily D. produce more paper products
30. In order to save water, we can do all of the following things except_____________.
A. take short showers instead of baths B. repair leaky faucets
C. fully use the washing machine D. turn the faucet off while brushing your teeth
31. Recycling helps to reduce waste because_____________.
A. plants need to develop B. a person can do it in his home
C. waste can be recycled and reused D. an average man produces compost for plants
32. The word "It" in paragraph 2 refer to_____________.
A. recycling B. the number C. cutting down D. effort to
Write the sentences with the same meaning to the first ones. Use words given.
33. Aquatic life suffers or dies because there is thermal pollution. (because of) ....................................................................................................................................................
34. You use compact light bulbs. You save a lot of energy. (If).
....................................................................................................................................................
35. People speak English all over the world. (is) ....................................................................................................................................................
36. The waiter took my plate. I didn’t finish eating my meal yet. (before) ....................................................................................................................................................
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