— You look unhappy, my son?— I'm wondering how long it'll be _______ we come to China again.

试卷相关题目

• 1Tom kept quiet about the accident ________ lose his job.   

  A.so not as to

  B.so as not to

  C.so as to not

  D.not so as to

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• 2The first time for everything is always the most exciting one. _____ it is your first day in a new job or going on a first date, you will always remember those 'first' times.   

  A.No matter

  B.Whether

  C.Either

  D.Both

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• 3Friends are angels who lift us to our feet _____ our wings have trouble remembering how to fly.

  A.unless

  B.because

  C.though

  D.when

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• 4______ Jason is willing to help, he doesn't have much time available.

  A.As

  B.Since

  C.While

  D.Unless

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• 5You'd better leave now ______ you can catch the early bus.   

  A.as soon as

  B.because

  C.so that

  D.unless

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• 6Though invited several   times, I still have some doubt _______ I can go to his   birthday party.     

  A.when

  B.where

  C.why

  D.whether

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• 7Having checked the doors were closed, and ______ all the lights were off, the boy openedthe door to his bedroom.   

  A.that

  B.why

  C.when

  D.where

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• 8Most birds find it safe to sleep in the trees, but _______ they have eggs or young chicks, they don't use a nest.

  A.why

  B.how

  C.unless

  D.where

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• 9It is obvious to the students ______ they should get well prepared for their future.     

  A.as

  B.which

  C.whether

  D.that

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• 10I'd like to study law at university _______ my cousin prefers geography.

  A.though

  B.while

  C.as

  D.for

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