19. Linda: Excuse me. Where's the post office? Maria: ................... A. It's over there B. I'm afraid not. C. Don't worry. D. Yes, I think so. 20. I think you ................study hard for the next exam. A. could B. will C. would D. should 21. The life ......... of sperm whale can be up to seventy years. A. distance B. period C. length D. span 22. Without plants, most of water would ............................as soon as it falls. A. run off B. run after C. run away D. run by 23. If Lan had worn a rain coat, she ............... a cold 2 / 3 A. had got B. wouldn't get C. won't get D. wouldn't have got 24. I still can't believe it! My bicycle................ last night. A. was stealing B. stolen C. was stolen D. stole 25. It rained all the time, ................was a great pity. A. that B. what C. which D. who 26. By the end of last summer, the farmers .............all the crop. A. harvested B. had harvested C. harvest D. are harvested 27. They had to think of some other ways of bettering their lives A. improving B. killing C. worsening D. cutting 28. The farmer removed some undeveloped trees to improve the growth of the rest. A. planted B. watered C. eliminated D. fertilized 29. Deforestation is destroying large areas of tropical rain forest. A. changing B. raising C. becoming D. damaging 30. We visited the Nairobi National Park and enjoyed different species of fauna. A. zoo B. animal C. flowers D. plant 31. New laws have been passed to ………. wildlife in this area., a. establish b. conserve c. produce d. endanger 32. They were seeking a solution to. the ……… of the rain forests. a. destroy b. destroying c. destroyer d. destruction 33. Although he didn't have a ticket, Ken ………. come in. a. could b. can c. might d. was allowed to 34. Nearly 1,000 of the world's bird species are threatened with ...................... a. appearance b. protection c. extinction d. destruction 35. We really ought to make a start on campaigns to ……… our polluted rivers and seas. a. clean up b. clear away c. wipe out d. tidy up 36. He came running …….. the room and threw his books …….. the floor. a. into/ at b. in/ to c. to/ on d. into/ onto 37. Rare species of plants or ………. can be found in this region. a. fauna b. flora c. flowers d. vegetation 38. The hydroelectric plant provides electricity for half the island's population. • a. using hydrogen to produce electricity • b. using radiating energy to produce electricity c. using water power to produce electricity d. using tidal power to produce electricity 39. Thy water is so contaminated that it is not suitable for drinking. a. toxic b. salty c. dangerous d. polluted 40. A: I'm really tired.....................resting before we go out? B: That's good idea. I'm tired too. a. Let's. b. Shall we. c. How about 41.A: It's a lovely day.....................go for a walk? B: Yes, OK. a. Shall we b. Let's c. Would you like, 42 .A: I want to explore downtown Hong Kong. B: .........................take a minibus? We'll see a lot more that way. a. Let's not b. What about c. Why don't we 43.A: .................. to stay the night? B: Oh, that's very kind of you. a. Why don't you b. Do you feel like c. Would you like 3 / 3 44. A: I still need to buy some souvenirs before we leave. B: ............ go shopping after dinner. a. How about b. Shall we c. Let’s 45. ._________ take the train instead of the bus? It's faster. a. How about b. Let's c. Why don't d. Why not 46. This park was _________ before World War II. a. set b. located c. established d. stationed 47. We were very _________at his success. a. surprised b.interested c.keen d.fond 48. One species is dependent __________ another of survival. a. on b. to c. of d.at 49. My home village is ____________ 40 kilometers north of the capital.. a. located b. held c. laid d. surrounded 50. The cattle drank from a river polluted with toxic chemicals.. a.waste b. colorless c. odorless d. poisonous