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    The next step in exploring outer space might be sending people there in spaceship. A.不填; a B. 不填; 不填 C. the; 不填 D. the; the 【查看更多】

     

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    The next step in exploring _________ outer space might be sending people there in ________ spaceship.


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

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    The next step in exploring ___________ outer space might be sending people there in ___________ spaceship.

    　 A.不填; a B. 不填; 不填 C. the; 不填 D. the; the

     

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    The next step in exploring _________ outer space might be sending people there in ________ spaceship.

    [　　]

    A．/; a
    B．/; /
    C．the; /
    D．the; the

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