So far nothing ________ Tom.I want to know the reason ________ he hasn't written to me.   

试卷相关题目

• 1Nothing but some ancient Chinese coins _______ in the sunken ship since they began the exploration.

  A.were found

  B.has been found

  C.had been found

  D.have been found

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• 2Creat as Newton was, many of his ideas _____today and are being modified by the work of scientists of our time.     

  A.have challenged

  B.have been challenged

  C.have questioned

  D.have been questioning

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• 3The 16th Asian Games _____ in Guangzhou from November 12 to November 27, 2010.

  A.was held

  B.was holding

  C.will be held

  D.will be holding

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• 4His sister left home in 1998, and ________ since.

  A.had not been heard of

  B.has not been heard of

  C.had not heard of

  D.has not heard of

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• 5The examination will begin at 10:30. Those who come late ________ to the examination room.

  A.have not been admitted

  B.don't admit

  C.will not be admitted

  D.didn't admit

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• 6— Is the meeting held in Room 302 or 303?— It should be 302.But I hear that it________till tomorrow.

  A.was put off

  B.will put off

  C.has been put off

  D.is put off

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• 7In the last few years thousands of films ________ allover the world．

  A.have produced

  B.have been produced

  C.are producing

  D.are being produced

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