79. We clap at the end of a l_____ performance.
78. Greetings in Asian countries do not i______ touching the other person.
77. He c_______ that we should attack at once.
根据所给句子意思以及汉语或首字母提示，写出下列各句中所缺单词的正确形式。
76. B______ are often used to build walls.
Fred Mundy enjoyed life. He loved adventure and the great outdoor, especially riding his motorcycle. One day, Fred decided to 36 a motorcycle race. The race was to be run on a dangerous course through 150 miles of rough 37 . As a proud man, Fred wanted to 38 the race. So, to save energy, he only took along with him a small 39 of water, some apples and a few pieces of bread. The race began. Fred got off to a good __40____ .But somewhere along the way, he made a 41 turn.. He became lost in a wildness of sand and rock - a lonely place 42 the temperature can 43 reach 40 degrees centigrade ！A 44__ team was organized, and planes were brought in. Soon the searchers began 45 something; Fred's motorcycle, footprints in the sand, even his empty can. 46__ they couldn't find Fred. The searchers could not 47 this. Why didn't Fred try to signal the airplanes above? Why didn't he 48 marks for the searchers to follow? It was almost as if he didn't _49____ to be found . Twelve days after the race, the searchers found Fred' s body. And near it, they found his bright orange helmet 50 under a small bush. It seemed to be hidden so that 51 couldn't be seen from the air. Perhaps the searchers were right. Maybe Fred 52 want to be found. Why? Because he was a 53 man. He was trying to find his 54 way out of the desert. But he never 55 it. Fred Mundy has lost his race with it.
36. A. enter B. watch C. help D. organize
37. A. forest B. mountain C. desert D. country
38. A. defeat B. enjoy C. beat D. win
39. A. bottle B. can C. cup D. mouthful
40. A. way B. speed C. position D. start
41. A. skillful B. difficult C. wrong D. dangerous
42. A. that B. where C. whose D. when
43. A. easily B. hardly C. mainly D. fully
44. A. race B. helping C. search D. saving
45. A. watching B. collecting C. recognizing D. finding
46. A. Instead B. But C. Besides D. And
47. A. guess B. judge C. understand D. prove
48. A. write B. make C. keep D. leave
49. A. want B. ask C. allow D. agree
50. A. lost B. buried C. fallen D. hung
51. A. it B. searchers C. planes D. he
52. A. didn't B. mustn't C. couldn't D. shouldn't
53. A. proud B. stupid C. string D. strange
54. A. only B. lost C. lonely D. own
55. A. had B. made C. won D. lost