The teacher used a microphone________ his voice could reach the back of the room.

试卷相关题目

• 1Tom is very interested in this poem now, but he thought it boring________he read it.

  A.in the first time

  B.the first time

  C.for the first time

  D.at first

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• 2________that you are wrong, what will you do then?

  A.Supposing

  B.In case

  C.For fear

  D.So long

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• 3Marina cared for him________he seriously injured his eyes several years ago.

  A.after

  B.until

  C.since

  D.before

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• 4________environmental damage is done, it takes many years for the ecosystem to recover.

  A.Even if

  B.Unless

  C.While

  D.Once

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• 5He was about halfway through his meal________a familiar voice came to his ears.

  A.when

  B.while

  C.after

  D.as

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• 6________there is no rain, farming is difficult or impossible.

  A.For

  B.Where

  C.While

  D.Lest

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• 7He is studying diligently________he should fall behind.

  A.for fear that

  B.so that

  C.unless

  D.as long as

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• 8________he retires, Prof.Baker will have taught in the university for almost forty years.

  A.By this time

  B.At the time

  C.At the same time

  D.By the time

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• 9We must improve the farming method________we may get high yields.

  A.in order to

  B.in order that

  C.since

  D.as

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• 10After you finish reading, be sure to place the book________it used to be.

  A.immediately

  B.where

  C.when

  D.though

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