11.As I have nothing to do now,I _____as well go with you.
　　A)might
　　B)would
　　C)could
　　D)may
　　12.It's the first time that she has been to the United States,________?
　　A)hasn't she
　　B)isn't it
　　C)has she
　　D)is it
　　13.Since the bus is crowed,we______.
　　A)had better walk to home
　　B)have better walk home
　　C)had better walk home
　　D)had better to walk home
　　14.To succeed in a difficult task ,_______.
　　A)one needs to work hard
　　B)to work hard is needed
　　C)you need be a hard-working person
　　D)to work hard is what one needs
　　15._____to have lunch with us today?
　　A)Do you like
　　B)Would you like
　　C)Will you like
　　D)Shall you like
　　16.You _______him that the day before.
　　A)ought not to have told
　　B)must not have told
　　C)should not tell
　　D)ought not to tell
　　17.I________the operation unless it is absolutely nesessary.
　　A)would rather not to have
　　B)would rather not have
　　C)would rather not had
　　D)would rather that I not have
　　18."You missed a golden opportunity." "Yes,I ______that job when it was offered."
　　A)must take
　　B)should have taken
　　C)might have taken
　　D)ought to take
　　19.The story was so funny that she couldn't help______.
　　A)laughing
　　B)but to laugh
　　C)to laugh
　　D)not laughing
　　20.When we reached the station,the train had still not arrived;so we ________.
　　A)needed not to funny
　　B)needn't have hurried
　　C)need not to have hurried
　　D)didn't need to hurry
　　答案：11. D 12. B 13. C 14. A 15. B 16. A 17. B 18. B 19. A 20. B

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