The scientists claimed( 声称) to _______ a jet plane that uses atomic energy as propelling _____, but they can’t produce an atom of evidence to prove it.   

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• 1— Would you care for a cup of coffee?  — I ________ one. Thank you just the same.  

  A.had

  B.have had

  C.would have

  D.will have

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• 2All that can be eaten ____  eaten up.    

  A.are being

  B.has been

  C.had been

  D.have been

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• 3Over the past 16 years, the population of the Amish people          to 230,000, with roughly 5 childrenper family.

  A.had nearly doubled

  B.has nearly doubled

  C.nearly doubled

  D.has nearly been doubling

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• 4— How are you today? — Oh, I ___ as ill as l do now for a long time.

  A.didn't feel

  B.haven't felt

  C.wasn't feeling

  D.don't feel

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• 5— Do you know anything about the school? — Yes. In fact, this is the third time I _____ here.

  A.was

  B.came

  C.have been

  D.will come

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• 6Seldom______computer games ever since he entered college.

  A.did he play

  B.has he played

  C.he played

  D.he has played

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• 7So involved in his business _________ that he can hardly accompany his wife and child at weekends.

  A.the manager has become

  B.becomes the manager

  C.has become the manager

  D.has the manager become

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• 8It is the second time that he________ to the zoo.    

  A.went

  B.goes

  C.has been

  D.go

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• 9—Where's Peter?— He      to the library, but I'm not sure.

  A.may have gone

  B.must have gone

  C.should go

  D.might go

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• 10Mum, I arrived at the train station twenty minutes ago, but Betty          up yet.

  A.hadn't turned

  B.won't turn

  C.hasn't turned

  D.didn't turn

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