What was the way he thought of ______ this problem solved?

试卷相关题目

• 1My brother seems to prefer ________ music to ________ with others on the Internet．

  A.listening to; chatting

  B.to listen to; chat

  C.listening to; chat

  D.to listen to; chatting

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• 2They seemed ________ each other before.

  A.to know

  B.having known

  C.to have known

  D.knowing

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• 3________ of reading，he put down the book and stopped ________．

  A.Tiring；to watch TV

  B.Tiring；watching TV

  C.Tired；to watch TV

  D.Tired；watching TV

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• 4He often advised me ________ . in public．

  A.not smoking

  B.not to smoke

  C.smoking

  D.smoked

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• 5Though ______ , the dog failed to become a police dog.

  A.was trained

  B.it trained

  C.trained

  D.it was being trained

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• 6He forgot ________ the door, so he went back .

  A.locking

  B.to lock

  C.having locked

  D.to have locked

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• 7In the recent coal mine accident, only 24 miners were rescued, and 29 were left ________ underground．

  A.to be trapped

  B.trapped

  C.being trapped

  D.trapping

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• 8While __________ the tunnel, the workers discovered an underground lake.

  A.build

  B.built

  C.building

  D.to build

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• 9Every minute, when made full use of _________, does good to us students．

  A.studying

  B.to study

  C.study

  D.being studied

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• 10Technology is developing so rapidly that ________ for only a year, my cell phone is out of date．

  A.using

  B.having been used

  C.having used

  D.is using

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