She was just about to open the window（  ）she saw the dog chasing the cat in her garden。

试卷相关题目

• 1They were all wet through（  ）they were caught in the lain。

  A.before

  B.because

  C.if

  D.when

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• 2I have been waiting for him（  ）he left。

  A.since

  B.because

  C.when

  D.after

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• 3Please let me know（  ）you need my help。

  A.because

  B.while

  C.as

  D.if

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• 4You must hand in your paper on Monday,（  ）you haven’t finished it。

  A.no matter how

  B.whenever

  C.even if

  D.wherever

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• 5Strike（  ）the iron is hot。

  A.until

  B.as soon as

  C.while

  D.since

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