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题目：
41. Your trousers ____dirty， you must have _____washed.
A. is； it B. are； it C. are； them D. is； them
42. Where ____rubbish， there are flies.
A. there are B. there is C. is D. there has
43. The Olympic Games ____held every ____years.
A. is； four B. are； four C. is； five D. are； five
44. Many a man _____ come to help us.
A. have B. has C. is D. are
45. He is the only one of the students who _____elected.
A. are B. have C. has D. is
46. Three-fourths of the homework _____today.
A. has finished B. has been finished
C. have finished D. have been finished
47. Those who ____ in ____compositions， please hand them in this afternoon
A. hasn‘t handed； his B. haven’t handed； their
C.has handed； their D. have handed； his
48. Jane is one of the best students in her class who _____by their teacher.
A. are praised B. is praised C. praised D. praising
49. The whole class _____the teacher attentively.
A. are listening to B. is listening to
C. are listening D. is listening
50. The United States of America _____one of the most developed countries in the world.
A. is B. are C. was D. were
【答案解析】
41-45 CBBBD 46-50 BBAAA | 
发表于 2016-12-23 22:39:43