Experiments of this kind ________ in both the U. S. and Europe well before the Second World War.

试卷相关题目

• 1The computer looks old, but it ______ just half a year ago.

  A.has been bought

  B.will be bought

  C.is bought

  D.was bought

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• 2The song reminded me of those days when I ____ care of by my grandparents in my home village.

  A.was taken

  B.took

  C.had been taken

  D.had taken

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• 3At the end of the meeting,it was announced that an agreement    .

  A.has been reached

  B.had been reached

  C.has reached

  D.had reached

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• 4He _____ as a national hero for winning the first gold medal for his country in the Olympics.

  A.regarded

  B.was regarded

  C.has regarded

  D.had been regarded

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• 5― The fishermen should have been warned of bad weather. ― _____, but they didn't listen to it.

  A.So were they

  B.So should they

  C.Yes, they were

  D.Yes, they should.

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• 6— Do you think he can get the first prize for jumping?  —Impossible now. He    to do so, but he has just hurt his leg.    

  A.would expect

  B.was expected

  C.has expected

  D.is expected

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• 7People begin to know that most environmental problems exist because necessary measures for preventing them _____ taken in the past.

  A.are not

  B.were not

  C.hadn't been

  D.wouldn't be

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• 8It was the third time that he    of the changes of the meeting.

  A.had informed

  B.had been informed

  C.has informed

  D.has been informed

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• 9He ____ for dangerous driving.  

  A.arrested

  B.was arresting

  C.had arrested

  D.was arrested

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• 10The flowers were so lovely that they _____ in no time.

  A.sold

  B.had been sold

  C.were sold

  D.would sell

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