After several days of social activities, I decided to ________ on my research on the human behaviors.  

试卷相关题目

• 1It's very important for a student to ________ a good state of mind while taking the college entrance examination.

  A.keep out

  B.keep on

  C.keep up

  D.keep off

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• 2There is little time left, so the chairman asked me to _____my speech to 20 minutes.

  A.make

  B.give

  C.limit

  D.explain

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• 3It's an old photo of my childhood that I ________ when I was looking for my ID card the other day.

  A.came into

  B.came about

  C.came on

  D.came across

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• 4The minister said. “We are ready for discussions with any legal parties, but we'll never_______ with criminals.”

  A.negotiate

  B.quarrel

  C.argue

  D.consult

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• 5I'd prefer to ____my judgment until I find all the evidence .

  A.show

  B.express

  C.pass

  D.reserve

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• 6Without plenty of oral practice，you'll find it hard to ______a conversation with native English speakers.

  A.go on

  B.carry on

  C.carry out

  D.work on

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• 7The workers have been working for a whole morning and I think they___ a break.

  A.deserve

  B.have

  C.receive

  D.predict

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