_____ food is hard to find, few birds remain throughout the year.

试卷相关题目

• 1______ time went by , Herbert could finish all the maths  exercises in class.

  A.With

  B.As

  C.while

  D.Since

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• 2_______ you start, you should go ahead.

  A.Once

  B.Before

  C.Until

  D.Though

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• 3In modem society, some young people spend____ much money they make.

  A.whichever

  B.whatever

  C.however

  D.wherever

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• 4You should inspect the wheels regularly, and replace them ______ they cause you trouble.

  A.while

  B.as

  C.before

  D.until

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• 5I wouldn't lose courage ______ I should fail ten times.

  A.in order

  B.so that

  C.even if

  D.as if

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• 6_____time goes by, my grandfather's memory seems to get worse and worse.

  A.Though

  B.As

  C.Because

  D.Since

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• 7He thought she was a pretty girl _____ poorly she was dressed.

  A.how

  B.as though

  C.as long as

  D.however

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• 8There is no point making complaint of getting low-paid ______ you don't make any effort at all.

  A.until

  B.when

  C.once

  D.though

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• 9________you've got the chance, you must make full use of it.

  A.Although

  B.Even though

  C.As if

  D.Now that

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• 10He raised his voice, ______ we still couldn't hear anything．

  A.so

  B.or

  C.but

  D.as

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