The biologist started to ________ the behavior of birds from his childhood.

试卷相关题目

• 1They appeared ________ what was happening.

  A.to not know

  B.to not knowing

  C.not to know

  D.not to knowing

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• 2Playing video games ______ too much of his time.

  A.took on

  B.took out

  C.took up

  D.took in

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• 3It is considered no good ________ without understanding.

  A.reciting

  B.recite

  C.to recite

  D.recited

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• 4So far I haven't found an assistant as few people could ______ my requirements．

  A.fill

  B.reach

  C.answer

  D.match

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• 5________ either Rose or the twins free tomorrow afternoon?

  A.Does

  B.Do

  C.Are

  D.Is

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• 6This is a problem which ________ very careful thought.

  A.shares

  B.persuades

  C.dislikes

  D.calls for

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• 7The telephone ________ringing until my mother went to answer it.

  A.stopped

  B.lasted

  C.kept

  D.got

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• 8In Australia he made a lot of friends ________ a very practical knowledge of the English language.

  A.get

  B.getting

  C.got

  D.to get

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• 9________you or your sister right? My sister is right.

  A.Is

  B.Have

  C.Are

  D.Has

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• 10I had meant ______ you, but I was so busy at that time．

  A.calling on

  B.calling at

  C.to call at

  D.to call on

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