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Use the correct form of the words in parentheses:
1/ We must learn about keeping the environment__unpolluted___(pollute)
2/The inhabitants have made__suggestion___on how to protect the environment(suggest)
3/It is__disappointing__that our environment is more and, more polluted(disappoint)
4/The drivers have left lots of garbage on the ground after their__refreshment___(refresh)
5/A complaint letter should be ended__politely___(polite)
6/Some volunteer___conservationists___help to clear up the beach(conserve) ( Sau khi tra mạng thì thấy chỗ này ghi conserve thay vì polite nên mình fix luôn :)) (
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)
Exercise 9: Give the correct form of the verb in brackets.
1. If we send an invitation, our friends (come) …………will come……… to our party.
2. He doesn’t understand you if you (whisper) ……whisper…………… 3. She will forget to pick you up if you (not phone) ……don't phone…………… her.
4. If you press “CTRL + S”, you (save) ………save………… the file.
5. I will remember you if you (give) …………give……… me a photo.
6. Fred will answer the phone if his wife (have) ………has………… a bath.
7. If Claire wears this dress at the party, her friends (be) ………will be………… happy.
8. If I touch this snake, my girlfriend (not scream) ………won't scream…………
9. If he (study) ……………studies…… harder, he can pass an exam.
10. She may be late if she (not hurry) ……doens't hurry……………
11. Tell him to ring me if you (see) …………see……… him.
12. If you are kind to me, I (be) ………will be………… good to you.
13. If he (give) ……gives…………… up smoking, as his doctor orders, he will be soon well again.
14. You (not pass) ………won't pass………… your driving test unless you drive more carefully.
15. He’ll be ill if he (not stop) …………doesn't stop……… worrying so much.
16. Jane never (get) …………will-get……… there on time if the train leaves soon.
17. I’ll be very angry if he (make) ……makes…………… any more mistakes.
18. If he (wash) ………washes………… my car I’ll give him $10.
19. If he (not eat) ………doesn't eat………… all, he will be ill.
20. If you …………don't finish……… (not finish) your homework, you can’t play computer games.
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