题目列表(包括答案和解析)

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31. If you buy more than ten, they knock 20 pence off ______.

   A. a price                   B. price

   C. the price                 D. prices

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30. I ______ you not to move my dictionary -- now I can' t find it.

   A. asked                  B. ask

   C. was asking                D. had asked

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29. You ______ be tired - you've only been working for an hour.

   A. must not                   B. won' t

   C. can' t                   D. may not

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28. "We can' t go out in this weather," said Bob,  ______ out of the window.

   A. looking                  B. to look

   C. looked                  D. having looked

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27.  _____you call me to say you' re not coming, I'll see you at the theatre.

    A. Though                  B. Whether

    C. Until                   D. Unless

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26. The forest guards often find campfires that have not been  ______ completely.

    A. turned down                B. put out

    C. put away                  D. turned over

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25.  - Has Sam finished his homework today?

    - I have no idea. He  ______  it this morning.

    A. did                   B. has done

    C. was doing                D. had done

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24. The evening news comes on at Seven o' clock and ______  only thirty minutes.

    A. keeps                  B. continues

    C. finishes                  D. lasts

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23. There were dirty marks on her trousers ______ she had wiped her hands.

     A. where                   B. which

    C. when                  D. that

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22. When flint _______  to the market, these products enjoyed great success.

     A, introducing                B. introduced

     C. introduce                 D. being introduced

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