Operation rooms should be kept free ______ bacteria of any kind.

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• 1It is very merciless _____ you to have _______ the homeless tramp in a worn-out coat when hebegged something to eat.

  A.to; turned off

  B.for; turned down

  C.with; turned up

  D.of; turned away

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• 2Nobody could have ever imagined that the poor man ______  _______ be a  millionaire.     

  A.in rag; could

  B.in rags; should be

  C.wearing poorly ; should

  D.dressed poorly; might

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• 3Witches are said to _______ magical powers to communicate with gods who are ______ of everything on the earth.

  A.possess; in possession

  B.own; in the possession

  C.have; in the possession

  D.be; in possession

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• 4He went to the library _____ last night, but you broke your word.

  A.in time

  B.in need

  C.on earth

  D.in truth

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• 5---You are quite free now, I think.    ---_______, I have tons of things to do.    

  A.On the contrary

  B.on the opposite

  C.With the contrary

  D.For the contrary

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• 6This decision could have serious consequences ________ the future of the industry.

  A.on

  B.at

  C.with

  D.for

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• 7It was reported that the plane I was to have taken crashed soon after it took off. _______ the traffic jam,I was five minutes late for the plane.    

  A.As a result of

  B.Thanks to

  C.Because of

  D.on account of

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• 8Tom was so wild about computer games that he would stay online for ten hours _____every day.

  A.in the end

  B.in particular

  C.on end

  D.on purpose

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• 9Everybody present at the party was shocked at her violent reaction ______ the young man's presence.

  A.with

  B.to

  C.for

  D.by

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• 10Valentine's Day is a day named ______ Valentine who was a priest in the third century Rome.

  A.of

  B.with

  C.after

  D.by

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