UNIT 7 : POLLUTION
GRADE 8 NEW
Question I. Choose the best answer. (A,B, C or D )
1. I like ______________ back my home village on holiday.
A. comes
B. come
C. came
D. coming
2. If the factory ________________ dumping poison into the lake, all the fish and other aquatic
animals will die.
A. continues
B. to continue
C. continued
D. will continue
3.Water ________________ in the lake has made the fish die.
A. pollution
B. pollute
C. polluted
D. polluting
4. Mi and Nick like ______________ back Mi's home village on holiday.
A. comes
B. come
C. came
D. coming
5. If the factory continues dumping poison into the lake, all the fish and other aquatic animals
________________.
A. die
B. to die
C. dead
D. will die
6. Water pollution is the ________________ in the lake has made the fish die.
A. contaminating
B. contaminate
C. contaminated
D. contamination
7. If we ______________ water carefully, more people will have fresh water.
A. will use
B. would use
C. using
D. use
8. If the factory continues dumping poison ________________ the lake, all the fish and other
aquatic animals will die.
A. into
B. to
C. about
D. in
Question II. 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 you (be) ________________ the president, what would you do to help the environment ?
7.They get sick so often.If they exercised more, they (be) ________________ heathier.
8.If I (have) ________________ one million US dollars , I would build more parks in our city.
9.Quan's mother is unhappy.If Quan tided his room every day, his mother (not be) ____so upset.
10.There isn't a garden at house .If there were, we (grow) ________________ vegetables.
Question III.Combine each pair of sentences to make a conditional sentence type 1.
1.Students are more aware of protecting the environment. Teachers teach environmental issues at
school.
If …………………………………………………………………………………………………
2.Light pollution happens. Animals change their behaviour patterns.

If ………………………………………………………………………………………………..
3.The levels of radioactive polluion decrease.We switch from nuclear power to renewable energy
sources.
If …………………………………………………………………………………………………..
4.The water temperature increases.Some aquatic creatures are unable to reproduces.
If…………………………………………………………………………………….....................
Question IV.Write a conditional sentence type 2 for each situation, as in the example.
EG :
1.People throw rubbish in the street.The street doesn't look attractive.
If people didn't throw rubbish in the street, it would look attractive.
2.There are so many billboards in our city. People can not enjoy the view.
If ………………………………………………………………………………………………….
3.There is so much light in the city at night.We can not see the stars clearly.
If …………………………………………………………………………………………………
4.We turn on the heater all the time. We have to pay three million dong for electricity a month.
If …………………………………………………………………………………………………
5.The karaoke bar makes so much noise almost every night. The residents complain to its owner.
If …………………………………………………………………………………………………
6.She has a headache after work every day.She works in a noisy office.
If ………………………………………………………………………………………………….
Question VI. Rewrite the sentences below without changing their original meaning.
1. Radioactive pollution is very dangerous. It can cause abnormal growth.
[since]
___________________________________________________________________
2. Leaves are damaged. The tree cannot get enough food energy to stay healthy.
[because]
___________________________________________________________________
3. I don't have much money now, but I want to buy a house in PhuCuong.
If __________________________________________________________________
4. Light pollution happens. There is a change in animals' living patterns.
If __________________________________________________________________

Key : UNIT 7 : POLLUTION
GRADE 8
Question I. Choose the best answer. (A,B, C or D )
1. I like ______________ back my home village on holiday.
A. comes
B. come
C. came
D. coming
2. If the factory ________________ dumping poison into the lake, all the fish and other aquatic
animals will die.
A. continues
B. to continue
C. continued
D. will continue
3.Water ________________ in the lake has made the fish die.
A. pollution
B. pollute
C. polluted
D. polluting
4. Mi and Nick like ______________ back Mi's home village on holiday.
A. comes
B. come
C. came
D. coming
5. If the factory continues dumping poison into the lake, all the fish and other aquatic animals
________________.
A. die
B. to die
C. dead
D. will die
6. Water pollution is the ________________ in the lake has made the fish die.
A. contaminating
B. contaminate
C. contaminated
D. contamination
7. If we ______________ water carefully, more people will have fresh water.
A. will use
B. would use
C. using
D. use
8. If the factory continues dumping poison ________________ the lake, all the fish and other
aquatic animals will die.
A. into
B. to
C. about
D. in
Question II. Put the verbs in brackets into the correct form.
1.If we recycle more, we will help the Earth.
2. Factories will not dump waste into rivers if the government fine them heavily.
3. If people travel to work by bus, there will be fewer car fumes.
4. We will save thousands of trees if we don't waste paper.
5. If we use water carefully, more people will have fresh water.
6.If you were the president, what would you do to help the environment ?
7.They get sick so often.If they exercised more, they will be healthier.
8.If I had one million US dollars , I would build more parks in our city.
9.Quan's mother is unhappy.If Quan tided his room every day, his mother would not be so upset.
10.There isn't a garden at house .If there were, we would grow vegetables.
Question III.Combine each pair of sentences to make a conditional sentence type 1.
1. Students will be more aware of protecting the environment if Teachers teach environmental
issues at school.
2.If Light pollution happens Animals will change their behavior patterns.

3.The levels of radioactive polluion will decrease if We switch from nuclear power to renewable
energy sources.
4.If The water temperature increases , Some aquatic creatures will be unable to reproduces.
Question IV.Write a conditional sentence type 2 for each situation, as in the example.
EG :
1.People throw rubbish in the street.The street doesn't look attractive.
If people didn't throw rubbish in the street, it would look attractive.
2.If There were not so many billboards in our city. People could enjoy the view.
3. If There were not so much light in the city at night, We could not see the stars clearly.
4.If We did not turn on the heater all the time, We would not have to pay three million dong for
electricity a month.
5.If The karaoke bar did not make so much noise almost every night, The residents would not
complain to its owner.
6.She would not have a headache after work every day If She did not work in a noisy office.
Question VI. Rewrite the sentences below without changing their original meaning.
1. Radioactive pollution is very dangerous since It can cause abnormal growth.
2. Because Leaves are damaged, The tree cannot get enough food energy to stay healthy.
3. If I had much money now, I would buy a house in PhuCuong.
4. If light pollution happens, There will be a change in animals' living patterns.