She kept looking behind ______ to see if she was being followed.

试卷相关题目

• 1The letter Mary had looked forward to ____her last night and she was very excited．

  A.reached

  B.reaching '

  C.had reached

  D.has reached

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• 2---I like your new shoes! ---Thanks．I had to try on almost a dozen pairs ______ I decided to get them．

  A.as

  B.when

  C.after

  D.before

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• 3Brendan hurriedly got to the airport, only ______ the plane had taken off

  A.to find

  B.to finding

  C.to be finding

  D.to have found

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• 4There ______ be any difficulty about passing the road test since you have practiced a lot in the driving school.

  A.mustn't

  B.shan't

  C.shouldn't

  D.needn't

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• 5Is ______ man's ability to reason that sets him apart from other animals?

  A.one

  B.this

  C.it

  D./

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• 6A small car is big enough for a family of three ______ you need more space for luggage.

  A.once

  B.because

  C.unless

  D.in case

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• 7Professor James will give us a lecture on the Western culture, but when and where __________ yet

  A.hasn't been decided

  B.haven't decided

  C.isn't being decided

  D.aren't decided

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• 8To improve the quality of our products ,we  asks  for suggestions ________ had  used  the products

  A.whoever

  B.who

  C.whichever

  D.which

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• 9How long did it take them to get ________ this river?

  A.through

  B.over

  C.across

  D.till

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• 10They went off and left me ______ there all by myself.

  A.sit

  B.sat

  C.sitting

  D.to sit

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