Nowadays a lot of teenagers have been _____ surfing the Internet.     

试卷相关题目

• 1To keep healthy, Professor Wade ________ cycling as a regular form of exercise after he  retired.

  A.took up

  B.picked up

  C.carried out

  D.took on

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• 2The teacher stressed again that the students should not ________ any important details while retelling the story.    

  A.bring out

  B.let out

  C.leave out

  D.make out

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• 3People________a monument to honour those people who devoted their lives to their country.

  A.set out

  B.set down

  C.set up

  D.set on

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• 4Suspecting the traveler of carrying drugs，the Customs official stopped him and________his suitcase，but found nothing at all.

  A.looked up

  B.went through

  C.searched for

  D.referred to

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• 5Drunk driving ________  many road accidents every year.     

  A.results from

  B.devotes to

  C.contributes to

  D.lies in

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• 6Helen always helps her mother even though going to school____ most of her day.     

  A.takes up

  B.makes up

  C.saves up

  D.puts up

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• 7The two countries ________ with each other because of the incident on the border.     

  A.came into conflict

  B.came into a conflict

  C.came to conflicts

  D.came into conflicts

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