He is too careless and he ______ keys.

试卷相关题目

• 1I rushed there in a taxi only _______ the library_______.

  A.finding; closed

  B.finding; shut

  C.to find; close

  D.to find; closed

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• 2Never in my wildest dreams _________ these people are living in such poor condition.

  A.I could imagine

  B.could I imagine

  C.I couldn't imagine

  D.couldn't I imagine

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• 3If we don't take steps, some rare animals, such as the Tibetan antelopes and pandas will ____________ some day just as dinosaur.

  A.die out

  B.die away

  C.die down

  D.die off

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• 4The chief reason for the population growth isn't so much a rise in birth rates ________ a fall in death rates as a result of improvements in medical care.

  A.and

  B.as

  C.but

  D.or

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• 5There is little chance that we will manage to change the law.______, it is important that we try.

  A.Therefore

  B.Nevertheless

  C.Otherwise

  D.Besides

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