Nowhere in nature is aluminium (铝) found free, owing to (由于) its always  ____with other elements (元素) most commonly with oxygen.   

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• 1He got well-prepared for the job  interview,  for  he  couldn't  risk  the  good opportunity ____ .   

  A.to lose

  B.losing

  C.to be lost

  D.being lost

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• 2Nowhere in nature is aluminum found free,owing to its always________with other elements,most commonly with oxygen.

  A.combined

  B.being combined

  C.combine

  D.having combined

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• 3He gave away the company's commercial secret to another competitor,which means_________.     

  A.dismissing

  B.being dismissed

  C.to dismiss

  D.to be dismissed

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• 4________ in a heavy traffic jam is quite an unpleasant experience.

  A.Caught

  B.Having caught

  C.Being caught

  D.To catch

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• 5She objects to _____ when she's reading.

  A.being disturbed

  B.disturbing

  C.be disturbed

  D.disturb

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• 6I don't mind _____ by you.

  A.criticized

  B.being criticized

  C.to be criticized

  D.criticizing

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• 7It is said that ______ regularly is good for us, for we can know whether we are healthy or not.

  A.examined

  B.examining

  C.being examined

  D.having examined

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• 8 ________ by beautiful green mountains and situated at the foot of Huangshan Mountain makes Tai Ping Lake a famous tourist attraction.[      ]

  A.Surrounded

  B.Being surrounded

  C.Having been surrounded

  D.Surrounding

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• 9--Car 17 won the race.--Yes, but its driver came close to_____.

  A.having been killed

  B.have been killed

  C.be killed

  D.being killed

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• 10________ in the leg made it impossible for me to walk as fast as usual.

  A.Being injured

  B.To be injured

  C.Having injured

  D.Injured

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