By the time Einstein was 14 years old, he ________ himself advanced mathematics.

试卷相关题目

• 1They won't buy any new clothes because they _____ money to buy a new car.

  A.save

  B.were saving

  C.have saved

  D.are saving

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• 2 I'd rather you did some social research when you are free, but you _____.

  A.didn't

  B.weren't

  C.wouldn't

  D.don't

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• 3The days we have been looking forward to ____ soon．

  A.coming

  B.will come

  C.came

  D.have come

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• 4I tried to phone her, but even as I _____ she was leaving the building. _________ 

  A.phoned

  B.would phone

  C.had phoned

  D.was phoning

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• 5“Aha, you're a chain smoker!” “Only at home. Nobody _______ that but you.”

  A.discovered

  B.had discovered

  C.discovers

  D.is discovering

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• 6I know Mr. Brown；we ＿＿ to each other at an international conference.

  A.are introduced

  B.have been introduced

  C.were introduced

  D.had been introduced

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• 7The traffic in our city is already good and it ＿＿even better.

  A.gets

  B.got

  C.has got

  D.is getting

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• 8—Why do you look so worried?   —Fred left the company half an hour ago. His work _______ unfinished since.

  A.left

  B.was left

  C.has left

  D.has been left

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• 9－What a dry day! －We _______ such dry weather for almost twenty days．

  A.have

  B.have had

  C.have been having

  D.have been had

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• 10He will stop showing off, if no notice ＿＿ of him.

  A.is taken

  B.will be taken

  C.takes

  D.has taken

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