41.You _____pay the money ,but you _______do so at once.
　　A)need't/must
　　B)need/need
　　C)must/must
　　D)must/needn't
　　42.Comrade Wang_______be in Beijing because I saw him in town only a few minutes ago.
　　A)mustn't
　　B)can't
　　C)may not
　　D)couldn't
　　43.The car plunged into the river.The driver_______get out but the passengers were drowned.
　　A)was able to
　　B)succeeded to
　　C)could
　　D)has managed to
　　44.I _______the story at all.
　　A)don't like
　　B)like
　　C)would like
　　D)would not like
　　45._______I repeat the question?
　　A)Will
　　B)Shall
　　C)Would you like that
　　D)Do you want that
　　46."Do I have to get back this evening?" "No,you_______."
　　A)needn't
　　B)may not
　　C)can't
　　D)had better not
　　47.He ______to meet us at the station,but didn't see us.
　　A)did go
　　B)did went
　　C)goes
　　D)had gone
　　48."What are they doing there?" "They_______a meeting."
　　A)may have
　　B)must have
　　C)coule be having
　　D)might be having
　　49.Susan and I can go to the lecture_______.
　　A)but neither can Charles
　　B)and so Charles can
　　C)but Charles can't
　　D)and Charles can also
　　50."That must be a mistake." "No,it _______a mistake."
　　A)must not be
　　B)may not be
　　C)could not be
　　D)would not be
　　答案：41. D 42. B 43. A 44. A 45. B 46. A 47. A 48. D 49. C 50. C

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