22. A. Forest

23. Drinking water in this area is highly A. pollution

 24. The environmentalists. A. consumer

25. Students can download programme and A. materials

26. Mass tourism has contributed to the A. destroy

27. The teacher asked students A. to write

28. I wonder if you could help me." “ A. Don't mention it B. Really? How nice

29. The Vietnamese government has done a lot to A. eliminate

30 . Most chemicals D. Foresting C. Deforestation by waste. C. polluted B. Deforest B. pollutant D. pollute of fossil fuels has gradually increased in many countries which is concerned for many C. consuming from internet. C. drink of the environment. C. destruction B. consume D. consumption B. food D. note B. destroying D. destroyment a paragraph about the preservation of the environment. B. writing C. write D. written C. I'll do my best. What's up? D. No, what is it? hunger and poverty. C. protect B. increase D. keep the ground and the underground water. D. contaminating the wedding. B. contaminate

31. In the past, the proposal and engagement ceremonies took place 1 or 2 years B. after stop when traffic lights are red. B. should II. Find the word whose main stress is different from the others. A. contaminates. C. contamination C. while D. since A. before

32. We A. might C. must D. can C. contaminate C. threaten C. potentially C. system C. replace C. personal C. digital C. contribute D. electronic D. access D. limitation A. environhent B. equality 33

 34. A. enróll

35. A. documentary

36. B. treatment B. personality B. allow A. symbolic-

39.A-excellent-

40. - A. concentrate A. promote 37. A. porform