The police came in _______ the thief attempted to rush out of the store.

试卷相关题目

• 1With some technical problems to be solved, it may be a while _______ the system is put into use.

  A.when

  B.after

  C.since

  D.before

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• 2I thought Father would be better, but ______it is, he is getting worse, which makes me more worried.

  A.before

  B.as

  C.because

  D.after

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• 3I have no idea ______ it is that makes him puzzled.

  A.how

  B.what

  C.why

  D.which

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• 4．You'd better get the problem solved as soon as possible ______ it becomes out of control．

  A.when

  B.before

  C.since

  D.unless

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• 5Who was it _______ wanted to see me just now?

  A.whom

  B.that

  C.when

  D.which

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