If I (be)_______ you, I (look)__________ for a new place to live
1. If I were you, I (look) ________________ for a new place to live.
1 My aunt said(A) that she(B) would(C) go to HaNoi tomorrow(D)
2 If(A) I had(B) a lot of money, I will look(C) for(D) a new place to live
3 They(A) will be(B) fiish the ennglish lesson 8:00 am tomorrow
1 My aunt said(A) that she(B) would(C) go to HaNoi tomorrow(D)
tomorrow → the following day (trong reported speech mình đổi mấy từ như này lại vì việc được nhắc đến diễn ra trong quá khứ: yesterday → the previous day)
2 If(A) I had(B) a lot of money, I will look(C) for(D) a new place to live
will look → would look (if clause type 2 diễn tả việc xảy ra theo lý thuyết, trên thực tế không thực hiện được)
3 They(A) will be(B) fiish the ennglish lesson 8:00 am tomorrow. (?)
câu này hình như là lỗi typo hả bạn, tại mình đọc không hiểu lém
II. Choose the best answer A, B, C or D to complete the following sentences.
1. If I ________ you, I would look for a new flat to buy.
A. am B. will be C. were D. was
2. You ________ so tired if you went to bed early.
A. wouldn’t be B. won’t be C. will be D. were
3. If you really ________ about me, you could call me.
A. will care B. have cared C. would care D. cared
4. We can’t remove all ________ from water in this river.
A. contaminate B. contaminants C. contaminated D. contamination
5. ________ gas from factories has polluted the air.
A. poisonous B. poison C. poisoned D. poisoning
6. The acid rain has caused the ________ to the trees in this area.
A. dead B. die C. dying D. death
7. I had to clean the floor ________ I spilled my juice.
A. because of B. since C. despite D. due to
8. She walked slowly ________ she had to carry heavy bags.
A. although B. if C. because of D. because
9. I can hear you clearly ________ your loud voice.
A. since B. as C. because of D. when
10. Eating too much sugar leads ________ diabetes.
A. in B. with C. for D. to
I. Choose the best answer to complete each of the following sentences.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
1. If I were you, I ________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny ___________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there ________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they ________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _________ so tired if you went to bed earlier.
A. won't be B. shan't be C. couldn't be D. wouldn't be
6. If you really _________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I __________ and see her.
A. will go B. would go C. should go D. went
8. If I ________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. ______________ is found under the ground in soil, rocks, ect.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
31. If I _____________ where she lived, I would go and see her.
A. know B. knows C. to know D. knew
34. If I _____________ the lottery, I would be a millionaire.
A. win B. wins C. winning D. won
35. I will discuss that problem with him if I _____________ him tomorrow.
A. see B. sees C. to see D. seeing
36. If I knew Chinese, I _____________ for job in China.
A. will apply B. would apply C. will be applied D. would be applied
Put the verbs in brackets into the correct form
Dear Jenny,
Sorry I didn't answer your last letter. If I (realised) how serious the situation was, I would have written to you straight away. You obviously need my advice. Ionly wish (be) with you now to help you. I think it's about time you (leave) your job and (start) to look for a new one. If your boss (insist) on treating you so unfairly, then you have very little choice. You say that you'd rather (have) a job you hate than no job at all, but is that really true? If you (be) worried about money, don't be. You can come home and live with wour father and me for a while. I'd rather you (live) nearer home anyway. Your old boss at the library, Mr.Green, say you could have your old job back if you (want) it. You could have been Head Librarian by now if you 10 (not/leave)! Anyway, I'll let you know if I (hear) about any other suitable jobs. Take care and let me know if you (make) any decisions.
Love, Mum
Dear Jenny,
Sorry I didn't answer your last letter. If I realised how serious the situation was, I would have written to you straight away. You obviously need my advice. I only wish to be with you now to help you. I think it's about time you left your job and started to look for a new one. If your boss insists on treating you so unfairly, then you have very little choice. You say that you'd rather have a job you hate than no job at all, but is that really true? If you were worried about money, don't be. You can come home and live with wour father and me for a while. I'd rather you lived nearer home anyway. Your old boss at the library, Mr.Green, say you could have your old job back if you want it. You could have been Head Librarian by now if you hadn't left ! Anyway, I'll let you know if I hear about any other suitable jobs. Take care and let me know if you make any decisions.
Love, Mum
Dear Jenny,
Sorry I didn't answer your last letter. If I had realised how serious the situation was, I would have written to you straight away. You obviously need my advice. I only wish to be with you now to help you. I think it's about time you left your job and started to look for a new one. If your boss insists on treating you so unfairly, then you have very little choice. You say that you'd rather have a job you hate than no job at all, but is that really true? If you were worried about money, don't be. You can come home and live with wour father and me for a while. I'd rather you lived nearer home anyway. Your old boss at the library, Mr.Green, say you could have your old job back if you want it. You could have been Head Librarian by now if you hadn't left! Anyway, I'll let you know if I hear about any other suitable jobs. Take care and let me know if you make any decisions.
Love, Mum
Choose the best answer to complete each of the following sentences.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city.
A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
Choose the best answer to complete each of the following sentences.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city.
A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
A. will keep B. to keep C. kept D. keeps
22. A lot of fish has died recently because of the _____________ water in this lake.
A. contaminating B. contaminated C. contaminate D. contaminant
23. If the air was clean, we _____________ have to wear masks when going out.
A. wouldn’t B. won’t C. would D. will
24. If I _____________ you, I _____________ water from that dirty tap.
A. am - will drink B. am - won’t drink
C. were - would drink D. were - wouldn’t drink
25. If he _____________ trash around his garden, the garden would look very nice now.
A. will throw B. would throw C. didn’t throw D. doesn’t throw
26. Price and availability are the _____________ factors that will determine product success.
A. critical B. musical C. physical D. medical
27. If it rains, we _____________ the match.
A. cancel B. will cancel C. cancelled D. cancelling
28. If I were a tree, I _____________ the rain.
A. love B. loved C. will love D. would love
29. The decor inside the house was very_____________.
A. fantastic B. electric C. mechanic D. artistic
30. If she _____________ late, we will go without her.
A. am B. is C. was D. were
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
. Put the verbs in brackets into the correct form.
(Chia những động từ trong ngoặc đơn vào đúng hình thức).
1. If I were you, I (look) ________________ for a new place to live.
2. If Lan wasn’t ill, she ( join) ________________ out tree planting activity.
3.If there were fewer cars on the road, there (be) ________________ less pollution.
4.If people really cared about the environment, they ( not dump ) ________________ waste into the lake.
5.If there was no fresh water in the world, what (happen) ________________.
1 would look
2. would join
3. would be
4. wouldn't dump
5. would happen
UNIT 7 C. MULTIPLE CHOICE I. Choose the best answer to complete each of the following sentences. 1. If I were you, I _____________ for a new car to buy. A. would look B. will look C. look D. looking 2. If Jenny _____________ ill, she would go out with us. A. isn't B. aren't C. wasn't D. not been 3. If there _____________ fewer cars on the road, there would be less accident. A. is B. were C. are D. be 4. If people really cared about environment, they _____________ waste into rivers. A. didn't dump B. don't dump C. shan't dump D. wouldn't dump 5. You _____________ so tired if you went to bed earlier. A. won't be B shan't be C. couldn't be D. wouldn't be 6. If you really _____________ me, you would buy me a diamond ring. A. loved B. love C. loves D. loving 7. If I knew where she lived, I _____________ and see her. A. will go B. would go C. should go D. went 8. If I _____________ taller, I would buy this dress. A. am B. are C. were D. being 9. Filters do not remove all _____________ from water. A. contaminate B. contaminants C. contaminating D. contamination 10. _____________ is found under the ground in soil, rocks, etc. A. sea water B. salt water C. groundwater D. hot water 11. If I won a lottery, I _____________ a lot on charity. A. spend B. spent C. will spend D. would spend 12. If the supermarket is open, I _____________ some food there. A. will buy B. would buy C. bought D. has bought 13. I will talk to her if you _____________ to do it. A. won't want B. didn't want C. don't want D. doesn't want 14. If I _____________ more money, I would buy a better car. A. have B. had C. will have D. would have 15. The farmer had put down some rat _____________. A. poisoning B. poisoner C. poisoned D. poison 16. _____________ loss can be caused by noise pollution. A. sound B. hearing C. listening D. audio 17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants. A. to B. in C. from D. at 18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers. A. damaging B. dumping C. losing D. leading 19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time. A. since B. due to C. although D. because of 20. The government has come _____________ a solution to the water problems of the city. A. up to B. up with C. to with D. on to 21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.
1. If I were you, I _____________ for a new car to buy.
A. would look B. will look C. look D. looking
2. If Jenny _____________ ill, she would go out with us.
A. isn't B. aren't C. wasn't D. not been
3. If there _____________ fewer cars on the road, there would be less accident.
A. is B. were C. are D. be
4. If people really cared about environment, they _____________ waste into rivers.
A. didn't dump B. don't dump C. shan't dump D. wouldn't dump
5. You _____________ so tired if you went to bed earlier.
A. won't be B shan't be C. couldn't be D. wouldn't be
6. If you really _____________ me, you would buy me a diamond ring.
A. loved B. love C. loves D. loving
7. If I knew where she lived, I _____________ and see her.
A. will go B. would go C. should go D. went
8. If I _____________ taller, I would buy this dress.
A. am B. are C. were D. being
9. Filters do not remove all _____________ from water.
A. contaminate B. contaminants C. contaminating D. contamination
10. _____________ is found under the ground in soil, rocks, etc.
A. sea water B. salt water C. groundwater D. hot water
11. If I won a lottery, I _____________ a lot on charity.
A. spend B. spent C. will spend D. would spend
12. If the supermarket is open, I _____________ some food there.
A. will buy B. would buy C. bought D. has bought
13. I will talk to her if you _____________ to do it.
A. won't want B. didn't want C. don't want D. doesn't want
14. If I _____________ more money, I would buy a better car.
A. have B. had C. will have D. would have
15. The farmer had put down some rat _____________.
A. poisoning B. poisoner C. poisoned D. poison
16. _____________ loss can be caused by noise pollution.
A. sound B. hearing C. listening D. audio
17. Ships spill oil in oceans and rivers. This leads _____________ the death of many aquatic animals and plants.
A. to B. in C. from D. at
18. Households pollute water sources by _____________ waste into ponds, lakes, and rivers.
A. damaging B. dumping C. losing D. leading
19. This month’s electricity bill is too high _____________the air conditioner is turned on all the time.
A. since B. due to C. although D. because of
20. The government has come _____________ a solution to the water problems of the city
. A. up to B. up with C. to with D. on to
21. All the aquatic plants and animals will die if the factory_____________ dumping poison into the lake.