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    At assembly, the headmaster wanted each of us to learn how to use equipment in labs. A. / ; / B. the ; the C. an; an D. / ; an 【查看更多】

     

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    At ________ assembly, the headmaster wanted each of us to learn how to use _______ equipment in labs.


    1. A.
      /; /
    2. B.
      the; the
    3. C.
      an; an
    4. D.
      /; an

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