Hydrogen can be combined  _____  oxygen.     

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• 1Wash your hands with soap ____ the experiment so as to keep in good health.     

  A.in the end of

  B.at the end of

  C.to the end of

  D.by the end of

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• 2At that moment, I was just standing by the window in my room, ______ I could see what was occurring on the street.

  A.from which

  B.from whose

  C.from that

  D.from where

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• 3Why are you so anxious? It isn't your problem ________ .     

  A.on purpose

  B.in all

  C.on time

  D.after all

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• 4Li Gang was required to apologize  ____   the people present at the meeting _____ what he had done.     

  A.for; by

  B.with; about

  C.to; for

  D.at; with

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• 5When she first arrived in China, she wondered what the future might have ____ for her, but nowall her worries  are gone.    

  A.in need

  B.in time

  C.in preparation

  D.in store

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• 6This new model of car is so expensive that it is _____ the reach of those with  average income.       

  A.over

  B.within

  C.beyond

  D.below

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• 7_____ her father,she was not sure whether he would receive  the invitation or not.       

  A.As for

  B.Because of

  C.As a result

  D.Thanks to

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• 8Every day I dream____a  beautiful girl ____ in a red coat. She was in fact my first lover.     

  A.of; dressing

  B.of; dressed

  C.in; dressing

  D.in, dressed

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• 9_____, this physics problem seemed simple, but when I tried to work it out, I just couldn't.     

  A.On one hand

  B.In my opinion

  C.At first sight

  D.On its own

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• 10Whether you break the rules ____ or ___, you will not  ____ with it.      

  A.by the accident;on purpose;get along

  B.by accident ; on the purpose ; get out

  C.byaccident ; on purpose ; get away

  D.by the accident;on the purpose; get away

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