After several years of observation, the research group ______ the conclusion that language acquisition isfaster when students ______ to the situation where it is spoken.

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• 1Since1978, my hometown ______ a new look.

  A.takes on

  B.has taken on

  C.takes off

  D.has taken up

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• 2—Excuse me, I wonder if you can help. I _______ my ID card.   —But where did you lose it?  

  A.have lost

  B.lost

  C.had lost

  D.lose

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• 3At the party, Eric oughtn't to _____ the joke. Didn't you see the principal was a bit _____?

  A.be telling; embarrassing

  B.tell；embarrassed

  C.havetold; embarrassing

  D.have told; embarrassed

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• 4— Do you think we should accept that offer?— Yes, we should, for we ___such bad luck up till now, and time __ out.

  A.have had; is running

  B.had; is running

  C.have; has been run

  D.have had; has been run

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• 5I don't know what ____   of him recently.

  A.has become

  B.became

  C.had become

  D.is become

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• 6Both China and the United States           from their growing business ties over the past four decades.

  A.had benefited

  B.benefit

  C.benefited

  D.have benefited

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• 7—  Who is Jerry Cooper? —  _______ ? I saw you shaking hands with him at the meeting.

  A.Don’t you meet him yet

  B.Hadn’t you met him yet

  C.Didn’t you meet him yet

  D.Haven’t you met him yet

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• 8They came here several years ago, and   ____ ever since.    

  A.settled

  B.settled down

  C.lived in

  D.have settled down

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• 9The number of students of this school ____ greatly in the past few years.

  A.is increasing

  B.has increased

  C.are increasing

  D.have increased

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