We laugh at jokes, but seldom __________ about how they work.

试卷相关题目

• 1--How much do you know about the 3D film technology? --A little. Not until ________ the hot movie Avatar ________ some about it.

  A.did I see ,did I begin to learn

  B.I saw, I began to learn

  C.I saw, did I begin to learn

  D.did I see, I began to learn

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• 2---Did you make a phone call to your parents? ---Certainly. Hardly ________ the destination (目的地) when I phoned them.

  A.did I arrive at

  B.have arrived at

  C.had I reached

  D.did I get to

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• 3________ got on the train when it started to move.

  A.Scarcely I had

  B.Scarcely had I

  C.No sooner I had

  D.No sooner had I

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• 4It sounds like something is wrong with the car's engine. ______, we'd better take it to the garage immdiately.

  A.Otherwise

  B.If not

  C.But for that

  D.If so

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• 5Tom is so lazy that it is the third time that he ______ late this week.

  A.has came

  B.is coming

  C.came

  D.has come

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• 6Little _______ about Xinjiang Qiegao before the Qiegao Event happened in Hunan Province.

  A.I had known

  B.had I known

  C.did I know

  D.I knew

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• 7Never before _________ seen anybody who can play tennis as well as Robert.

  A.had she

  B.she had

  C.has she

  D.she has

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• 8When  _______ homework , you should be careful .

  A.do

  B.to do

  C.doing

  D.done

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• 9Only an hour ago ________ out why he was absent.

  A.did the teacher found

  B.the teacher found

  C.did the teacher find

  D.had the teacher found

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• 10While ______ in Scotland, he made friends with the natives there.

  A.working

  B.worked

  C.he works

  D.he is working

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