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1. What have fashion designers done to (modern).modernize..........the ao dai?
2. A computer can gather a lot of (inform)..information........for differnt puroses
3. In order to keep our environmet (pollute)..unpolluted......, we shouldn't drop litter in public places
4. Our teacher is pleased that we solved the problems (effect)...effectively...........
I. Complete the sentences with the correct form of the words in brackets.
1. In order to keep our environment ......unpolluted...... , we shouldn’t drop litter in public places. (pollute)
2. Don’t pump ....sewage........ into seas and rivers or it will pollute them. (sew)
3. Don’t throw away .......used..... bottles, papers, and glass. Take them to recycling centres. (use)
4. If we keep on .....polluting....... the air, more people will suffer from respiratory diseases. (pollution)
5. The local authorities have received many letters of ........complaint.... about the industrial wastes from that factory. (complain)
II. Complete the sentences with the correct form of the words in brackets.
1. Ba was ......seriously...... ill right after eating those ......poisonous...... mushrooms. (serious / poison)
2. ......Conservationists...... are interested in the protection of the environment. (conserve)
3. Without .......electricity..... , some people wouldn’t catch fish. (electric)
4. Shhh. Listen ......carefully...... to the conservationist teaching us how to protect the environment. (care)
5. What is responsible for the .....environmental....... problems in your city? (environment)
III. Complete the sentences with the correct form of the words in brackets.
1. Make sure the use of ......pesticide...... is not harmful to farm workers’ health. (pest)
2. .....Congratulations....... ! You have successfully held the clean-up campaign. (congratulate)
3. Use public transport or we won’t .....minimise....... pollution. (minimum)
4. If ......deforestation...... continues, there will be no forest left ten years from now. (forest)
5. The rising level of air pollution has caused concern among .......envrionmentalists..... . (environment)
11. disappointed
12. unpolluted
13. product
14. disastrous
III
16. leaves
16. will have
17. littering
18. buying
19. were playing
1 of
2 loss
3 We make sure there is not smoke in nonsmoking areas and public places
4 central
49. In order to keep our environment .....unpolluted....., we must solve lots of problems. (pollute)
50. I want everyone to see it ...clearly....., please. (clear)
Đáp án là: unpolluted.