Question

Bài 6. Hoàn thành các câu sau, chọn và cho dạng đúng của các động từ cho sẵn.

happen	Reduce	save	suffer	Cause
throw	Take	be	change	See

1. If we use less vehicles, we _________ the amount of carbon dioxide into the air.

2. If you __________ the president, what you do to prevent air pollution.

3. If there were no fresh water left, what ____?

4. If people (not) ________________ rubbish in the street, it would look better.

5. if there wasn’t so much light in the cities at night, we __________ the starts more clearly.

6. If the water is contaminated, people ________ from many diseases.

7. If chemicals from factories are dumped into rivers and lakes, they ______ water pollution.

8. If people want to protect their planet, they should ________ their habit of using plastic bag for convenience.

9. If we recycle paper, we ________ 1000 trees a day.

10. If people were more aware of the negative consequences of pollution, they might ______ actions to prevent it.

Answer 1

1. If we use less vehicles, we ____reduce____ the amount of carbon dioxide into the air.

2. If you _____are_____ the president, what you do to prevent air pollution.

3. If there were no fresh water left, what __will happen__?

4. If people (not) ____don't throw____ rubbish in the street, it would look better.

5. If there wasn’t so much light in the cities at night, we _____will see_____ the starts more clearly.

6. If the water is contaminated, people ____will suffer____ from many diseases.

7. If chemicals from factories are dumped into rivers and lakes, they ___will cause___ water pollution.

8. If people want to protect their planet, they should ____change____ their habit of using plastic bag for convenience.

9. If we recycle paper, we ____will save____ 1000 trees a day.

10. If people were more aware of the negative consequences of pollution, they might ___take___ actions to prevent it.