You should remain silent at the conference unless _____ to speak.

试卷相关题目

• 1We were told not to touch the equipment in the laboratory unless ________.

  A.allowed to do

  B.allowing to do

  C.allowed to

  D.allowing to

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• 2______by the advances in technology, many farmers have set up wind farms on their land.   

  A.Being encouraged

  B.Encouraging

  C.Encouraged

  D.Having encouraged

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• 3I don't want to have the question of what to furnish our room with _____ about any more. We have to make quick decision.  

  A.quarrelling

  B.to be quarreled

  C.quarreled

  D.to quarrel

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• 4_____ with the wonderful performance of Shenzhou Ⅷ,President Hu Jintao spoke higy of the astronauts.

  A.Being delighting

  B.To delight

  C.Delighting

  D.Delighted

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• 5_____ in the care of his grandmother, Ted grew to be a boy with very good manners.

  A.Leaving

  B.To be left

  C.To leave

  D.Left

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• 6He got completely _____ when he saw both Lucy and Lily, who are twin sisters.

  A.confusing

  B.confused

  C.confuse

  D.confuses

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• 7No matter how frequently_______, the works of Beethoven still attract people all over the world.   

  A.performed

  B.performing

  C.to be performed

  D.being performed

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• 8So far nobody has claimed the money________in the library.     

  A.discovered

  B.to be discovered

  C.discovering

  D.having discovered

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• 9__________with a large amount of snow, the mountain looks more beautiful.    

  A.Covering

  B.Cover

  C.Covered

  D.To cover

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• 10_________by a greater demand of vegetables, farmers have built more green houses.         

  A.Driven

  B.Being driven

  C.To drive

  D.Having driven

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