On luyen anh9 by mrdoan

I. Complete the sentences with the correct form of the words in brackets.
1. In order to keep our environment ............ , we shouldn’t drop litter in public places. (pollute)
2. Don’t pump ............ into seas and rivers or it will pollute them. (sew)
3. Don’t throw away ............ bottles, papers, and glass. Take them to recycling centres. (use)
4. If we keep on ............ the air, more people will suffer from respiratory diseases. (pollution)
5. The local authorities have received many letters of ............ about the industrial wastes from that factory. (complain)
II. Complete the sentences with the correct form of the words in brackets.
1. Ba was ............ ill right after eating those ............ mushrooms. (serious / poison)
2. ............ are interested in the protection of the environment. (conserve)
3. Without ............ , some people wouldn’t catch fish. (electric)
4. Shhh. Listen ............ to the conservationist teaching us how to protect the environment. (care)
5. What is responsible for the ............ problems in your city? (environment)
III. Complete the sentences with the correct form of the words in brackets.
1. Make sure the use of ............ is not harmful to farm workers’ health. (pest)
2. ............ ! You have successfully held the clean-up campaign. (congratulate)
3. Use public transport or we won’t ............ pollution. (minimum)
4. If ............ continues, there will be no forest left ten years from now. (forest)
5. The rising level of air pollution has caused concern among ............ . (environment)