_____ the police thought he was the most likely one, since they had no exact proof about it, they could not arrest him.

试卷相关题目

• 1Kids are not allowed to leave kindergartens _____ their parents come to pick them up.

  A.since

  B.unless

  C.although

  D.because

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• 2He had to be called two or three times _______ he would come to his dinner.

  A.while

  B.as

  C.before

  D.until

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• 3_____ many millionaires recognize they are doing better than average investors, some factors have forced them to reassess what the term 'wealthy' means to them.

  A.Because

  B.While

  C.As

  D.Since

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• 4As the experts tell us, we can pass on the flu _____ we realize we have it.

  A.before

  B.since

  C.while

  D.when

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• 5Many people believe we are heading for environment disaster ____ we basically change the way we live.

  A.if

  B.but

  C.unless

  D.once

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• 6Small sailboats can easily turn over in the water _____ they are not managed carefully.

  A.though

  B.before

  C.until

  D.if

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• 7We'll have a picnic in the park this Sunday _____ it rains or it's very cold.

  A.since

  B.if

  C.unless

  D.until

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• 8His plan was such a good one _____ we all agreed to accept it.

  A.so

  B.and

  C.that

  D.as

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• 9You can eat food free in my restaurant _____  you like.

  A.whenever

  B.wherever

  C.whatever

  D.however

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• 10People all over the country felt shocked _____ they heard of the news _____ eight children were killed at the school gate.

  A.the moment, that

  B.when, which

  C.immediately, /

  D.the second, what

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