_______ the teacher's instruction in the lab_____ important.

试卷相关题目

• 1 It is a beautiful village with a mountain_______ it.  

  A.Surrounded

  B.surrounding

  C.havingsurrounded

  D.havingbeensurrounded

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• 2I really feel like ______a talk with Daniel about her lessons but don't know how to pick it up.

  A.to have

  B.having had

  C.to having

  D.Having

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• 3Is it always easier ____ friends than to keep them?  

  A.making

  B.make

  C.to make

  D.made

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• 4Air bags for cars were invented _____ lives. Without them more people would be injured in car accidents.   

  A.saving

  B.saved

  C.to save

  D.to have saved

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• 5Hearing the news, Ruth could not help ______.

  A.laugh

  B.laughing

  C.to laugh

  D.laughed

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• 6Go on _______ the other exercise after you have finished this one.

  A.to do

  B.doing

  C.with

  D.to be doing

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• 7They are looking forward to _____ all over the world.

  A.travel

  B.traveled

  C.traveling

  D.be traveled

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• 8Sally had no pen ____ yesterday morning.  

  A.to write

  B.to write with

  C.writing

  D.writing with

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• 9My sister used to be fond of ____ table tennis.

  A.play

  B.played

  C.playing

  D.to play

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• 10This old building is said _____ two years ago and a new high building now stands where the old one used to lie.

  A.to have puller down

  B.be pulled down

  C.pull down

  D.to have been pulled down

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