The number of people who by air in China（  ）。

试卷相关题目

• 1It was not long（  ）the old man died。

  A.after

  B.before

  C.as soon as

  D.while

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• 2（  ）there is no air, there is no life。

  A.When

  B.As

  C.Where

  D.Lest

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• 3We must speed up（  ）we don’t have much time left。

  A.when

  B.after

  C.while

  D.as

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• 4They decided to reduce air pollution（  ）it could do more damage to the environment。

  A.until

  B.before

  C.although

  D.unless

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• 5We could rot even move（  ）it was too crowded in the train。

  A.if

  B.unless

  C.because

  D.after

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• 6（  ）yon know the significance of this economic reform, you should not complain。

  A.When

  B.Now that

  C.Until

  D.Although

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• 7I am determined to succeed（  ）I fired。

  A.if

  B.where

  C.so long as

  D.whatever

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• 8I got so tired that（  ）I closed my eyes, I fell asleep。

  A.time

  B.when

  C.the moment

  D.as

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