One kind of tool that was popular during the Stone Age was a flake, ________ cutting and scraping.

试卷相关题目

• 1Why ________ I help him? He's never done anything for me．

  A.would

  B.should

  C.could

  D.might

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• 2It is not like Jack to be unfriendly, so he ________ you when you called．

  A.can't have heard

  B.shouldn't have heard

  C.mustn't have heard

  D.needn't have heard

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• 3What do you mean, there are only ten tickets?There ________ be twelve．

  A.should

  B.would

  C.will

  D.shall

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• 4Can you imagine ________ on a lonely island alone?

  A.to live

  B.lived

  C.live

  D.living

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• 5I wasn't supposed to go to the movies, but I ________ myself．

  A.cannot help

  B.couldn't but

  C.had to help

  D.couldn't help

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• 6Each ________ day has brought more exciting news to them.

  A.passed

  B.past

  C.pass-by

  D.passing

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• 7I remember ________ the letter yesterday.

  A.to post

  B.to posting

  C.I have posted

  D.posting

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• 8________ for computers is called computer programming.

  A.Writing instructions

  B.To write instruction

  C.The writing of instructions

  D.Having written instructions

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• 9When the storm comes all windows ________．

  A.ought to close

  B.ought to be closing

  C.ought to be closed

  D.ought to closed

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• 10Don't search my bookcase for your CD player!Just look where it ________ be-in the drawer, in your schoolbag, or somewhere else like that．

  A.may

  B.can

  C.must

  D.will

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