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    科目： 来源： 题型：单选题

    We all think ________our duty to help those who are weak in their studies．


    1. A.
      it
    2. B.
      that
    3. C.
      that is
    4. D.
      of it

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    科目： 来源： 题型：单选题

    I must ________ your promise ________ you won’t be late again．


    1. A.
      remind you for, why
    2. B.
      remind you to, in which
    3. C.
      remind you of, that
    4. D.
      remind you, which

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    科目： 来源： 题型：单选题

    That Austrian scientist spent many years of his life ________ the amazing ways ________ honey bees communicate with each other．


    1. A.
      researching, that
    2. B.
      studying, in which
    3. C.
      in researching, /
    4. D.
      all above

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    科目： 来源： 题型：单选题

    The cattle ________ well in this area of the country．


    1. A.
      are not sold
    2. B.
      don’t sell
    3. C.
      is not sold
    4. D.
      doesn’t sell

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    科目： 来源： 题型：单选题

    Mr．Black left for Beijing this morning, his secretary ________ him there this Friday．


    1. A.
      would join
    2. B.
      joined
    3. C.
      joining
    4. D.
      to join

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    科目： 来源： 题型：单选题

    There is nothing ________ me to do but ________ computer games．


    1. A.
      for, play
    2. B.
      of, play
    3. C.
      for, to play
    4. D.
      of, to play

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    科目： 来源： 题型：单选题

    Just after finishing doing the housework, ________．


    1. A.
      the telephone rang
    2. B.
      Anna heard the telephone ring
    3. C.
      someone knocked at the door
    4. D.
      there was a knock at the door

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    科目： 来源： 题型：单选题

    Mrs. Black doesn’t believe her son is able to design a digital camera，________?


    1. A.
      ishe
    2. B.
      isn't he
    3. C.
      doesn't she
    4. D.
      doesshe

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    科目： 来源： 题型：单选题

    People in European countries go to ________ every Sunday. They believe in God.


    1. A.
      the church
    2. B.
      church
    3. C.
      churches
    4. D.
      the churches

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    科目： 来源： 题型：单选题

    Every child is ________ to its parents.


    1. A.
      good
    2. B.
      precious
    3. C.
      worth
    4. D.
      value

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