tb42"> Part III Vocabulary and Structure (20 minutes) Directions: There are 30 incomplete sentences in this part. For each sentence there are four choices marked A)，B)，C), and D). Choose the ONE answer that best completes the sentence. Then mark the corresponding letter on the Answer Sheet with a single line through the centre. 41. I can’t understand how you ________ these unpleasant surroundings. A) put out B) put down本文来源:百考试题网 C) put up with D) put forward（C） 42. ________ you decide to take up you should try to make it a success. A) Whatever B) Unless C) Whenever D) If only（A） 43. If Harry did not attend the conference last night, he ________ too much work to do. A) must have had B) must have C) had had D) had to have had（A） 44. John often attends public lectures at the University of Oxford, chiefly ________ his English. A) to improve B) improving C) to have improved D) improved（A） 45. It was suggested at the meeting that effective measures ________ to solve the problem. A) were taken B) be taken C) must be taken D) take（B） 46. I am ________ of your stupid conversation. A) annoyed B) worried C) angry D) tired（D） 47. They are building the dam in ________ with another firm. A) comparison B) association C) touch D) tune（B） 48. Most parents encourage their children to take an active part in social events, ________ those events do not interfere with their studies. A) lest B) though C) unless D) provided（D） 49. Orlando, a city in Florida, ________ for its main attraction, Magic Kingdom. A) which is well known B) is well known C) well known D) being well known（B） 50. He is ________ a writer as a reporter. A) more B) rather来源：www.examda.com C) not so much D) not much（C） 51. Jim is sorry ________ so impolite to your guest last Saturday. A) to be B) having been C) being D) to have been（D） 52. I suppose that when I come back in ten years’ time all these old houses ________ down. A) will have been pulled B) will have pulled C) will be pulling D) will be pulled（A） 53. To be sure, some insects can build complex societies ________ different types of individuals performing different tasks. A) taken from B) made of C) composed of D) developed from（C） 54. The students will put off the outing until next week, ________ they won’t be so busy. A) when B) as C) since D) while（A） 55. I have not found my book yet. in fact, I am not sure ________ I could have done with it. A) whether B) why C) what D) when（C）