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

试卷相关题目

• 1In 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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• 2He forgot ________ the door, so he went back .

  A.locking

  B.to lock

  C.having locked

  D.to have locked

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• 3What was the way he thought of ______ this problem solved?

  A.get

  B.being got

  C.to get

  D.having been got

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• 4My 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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• 5They seemed ________ each other before.

  A.to know

  B.having known

  C.to have known

  D.knowing

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• 6Every 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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• 7Technology is developing so rapidly that ________ for only a year, my cell phone is out of date．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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• 8I held the little bird in my hand and felt its heart ______.

  A.bumping

  B.striking

  C.beating

  D.knocking

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• 9________ for five years, the radio needs ________ .

  A.Being used; repaired

  B.Having used; to be repaired

  C.Using ; to repair

  D.Having been used; repairing

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• 10________ to a university in the UK, international students must display a strong ability in spoken and written English．

  A.Having been admitted

  B.To be admitted

  C.Being admitted

  D.Admitted

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