He found it hard to ________ the difference between the twins.

试卷相关题目

• 1I found him _____ when I went in.

  A.laying in bed

  B.lay in bed

  C.lying in bed

  D.lie in bed

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• 2The number of the students of the university _______ more than 50,000.

  A.get

  B.gets

  C.reach

  D.reaches

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• 3I bought a dress for only 10 dollars in a sale; it was a real _______.

  A.exchange

  B.bargain

  C.trade

  D.business

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• 4The curator _________ the visitors round the museum.

  A.helped

  B.tried

  C.managed

  D.conducted

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• 5His failure ________ his carelessness.

  A.consisted of

  B.consisted in

  C.consisted with

  D.consisted from

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• 6He was so _________ to hear of her illness that he couldn't sleep.

  A.worrying

  B.disturbed

  C.interrupted

  D.exciting

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• 7The sport teaches the ________ of obedience(服从)．

  A.important

  B.importance

  C.importantly

  D.importances

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• 8Mary becomes fatter. She _______ ten pounds last month.

  A.grew

  B.increased

  C.put on

  D.raised

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• 9Mrs. Smith locked both the front and the back doors before she went to bed ________ that a thief might steal into the house.

  A.so

  B.for fear

  C.unless

  D.in case

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• 10Every time he tried to start the car，the wheels __________ deeper into the mud．

  A.stayed

  B.dropped

  C.struck

  D.sank

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