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科目: 来源: 题型:单选题

It is only by practising English for several hours every day _________ be able to use it freely.


  1. A.
    will you
  2. B.
    may you
  3. C.
    that you will
  4. D.
    when you must

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科目: 来源: 题型:单选题

While our city tries impatiently to change its appearance by tearing down old buildings, more and more citizens are suggesting ways to ____ the historically important architecture.


  1. A.
    decorate
  2. B.
    develop
  3. C.
    preserve
  4. D.
    reserve

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科目: 来源: 题型:单选题

The old couple have been married for 50 years and never      with each other


  1. A.
    they had quarreled
  2. B.
    they have quarreled
  3. C.
    have they quarreled
  4. D.
    had they quarreled

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