Don't turn off the computer before closing all programs, _________ you could have problems.

试卷相关题目

• 1_______ late you are, we will wait for you to come to have dinner.

  A.Whenever

  B.Whatever

  C.However

  D.Wherever

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• 2We've offered her the job, but I don't know_________ she'll accept it.

  A.where

  B.what

  C.whether

  D.which

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• 3She was about to leave the room _____ the telephone rang.

  A.when

  B.while

  C.after

  D.since

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• 4I was feeling left out in the new school ________Alice, an easygoing girl from Canada,  came to stay with me.

  A.if

  B.once

  C.when

  D.unless

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• 5I thought her nice and honest _____ I met her.

  A.first time

  B.for the first time

  C.the first time

  D.by the first time

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• 6_______Joe  saw the film ‘ET' directed by Steven Spielberg ,he made up his mind to turn ____ director ,too

  A.For the very first time; a

  B.The very first time; a

  C.On the very first time; /

  D.The very first time; /

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• 7It may be 5 or 10 years __________ it is possible for people to find a space station on the moon.

  A.since

  B.before

  C.after

  D.when

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• 8The engineers are so busy that they have zero time for outdoor sports activities, _____they have the interest.

  A.wherever

  B.whenever

  C.even if

  D.as if

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• 9Studying in groups is necessary_____ you want to do well in school.

  A.if

  B.until

  C.unless

  D.though

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• 10Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble.

  A.even if

  B.if only

  C.in case

  D.when

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