You'd better take an umbrella with you _____ it rains.

试卷相关题目

• 1It will be some time _____ we know the full results.

  A.if

  B.since

  C.when

  D.before

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• 2____ most of the earth's surface is covered by water, fresh water is very rare and precious.

  A.As

  B.Once

  C.If

  D.Although

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• 3Last month I came to Britain. My English has improved a lot _____ I use it all the time.

  A.since

  B.while

  C.when

  D.as

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• 4— How long do you think it will be _____ China sends a manned spaceship to the moon? — Perhaps two or three years.

  A.when

  B.until

  C.that

  D.before

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• 5The school rules state that no child shall be allowed out of the school during the day, _____ accompanied by an adult.

  A.once

  B.when

  C.if

  D.unless

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• 6_____ I could say a word, she had stormed out of the room.

  A.Before

  B.When

  C.After

  D.Until

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• 7John _____ his students is playing basketball on the playground.

  A.as well

  B.as well as

  C.and

  D.together

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• 8_____ she has been given such a chance, I think she should make full use of it.

  A.As soon as

  B.After

  C.Although

  D.Now that

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• 9I'd better go and have a try _____ there is an advertisement for a traveling salesman.

  A.where

  B.so that

  C.though

  D.now that

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• 10_____ time goes on, people _____ better housing and jobs.

  A.When; want

  B.While; need

  C.As; demand

  D.Since; ask

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