Give the correct form of the following words:
1. If we (recycle)_____ more, we will help the Earth.
2. Factories (not dump)_____ waste into rivers if the government fines 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 the factory (continue)_____ dumping poison into the lake, all the fish and other aquatic animals will die.
7. If we recycle more, we (help)_____ the Earth.
8. If people (travel)_____ to work by bus, there will be fewer car fumes.
9. We save thousands of trees if we (not waste)_____ paper.
10. Factories won't dump waste into rivers if the government (fine)_____ them heavily.
11. If he (study)_____ harder, he can pass an exam.
12. She may be late if she (not hurry)_____.
13. If you study harder, you (pass)_____ the exam.
14. If you are kind to me, I (be)_____ good to you.
15. If he (give)_____ up smoking, as his doctor orders, he will ber soon well again.
16. You (not pass)_____ your driving test unless you drive more carefully.
17. He'll be ill if he (not stop)_____ worrying so much.
18. We'll go to the beach tomorrow if it (be)_____ nice.
19. I (watch)_____ a science fiction film on TV at 9.00 tonight.
20. Look at those clouds - I think it (rain)_____
21. We'll need (call)_____ him more often
22. This time next week, I (lie)_____ on the beach on Phu Quoc Island
23. By the time I (arrive)_____ the airport, my husband (wait)_____ for me for an hour.
24. If the strees (be not)_____ watered daily, they will die.
25. Many houses (destroy)_____ in the hurricane last night in Nghe An.
26. If the students reviewed all lessons, they (do)_____ the test well.
27. After the thief (leave)_____ the house, the police (come)_____
28. He (not go)_____ out last night, he (stay)_____ at home.
29. That room (paint)_____ at this time next week.
30. By the time the police (come)_____, the thief (leave)_____
31. After I (finish)_____ the lesson, Lan went out.
32. This house (build)_____ in 2015.
33. Most people (leave)_____ before the volcano erupted.
