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