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    So far a lot of man-made satellites into space. A. are being sent up B. have being sent up C. have sent up D. have been sent up 【查看更多】

     

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    So far a lot of man-made satellites ______ into space.

    [     ]

    A. are being sent up
    B. have being sent up
    C. have sent up
    D. have been sent up

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    So far a lot of man-made satellites ________ into space．


    1. A.
      are being sent up
    2. B.
      have being sent up
    3. C.
      have sent up
    4. D.
      have been sent up

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    So far a lot of man-made satellites ________ into space．

    [　　]

    A．are being sent up

    B．have being sent up

    C．have sent up

    D．have been sent up

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