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    The ancient Egyptians are supposed rockets to the moon. A. to send B. to be sending C. to have sent D. to have been sent 【查看更多】

     

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    The ancient Egyptians are supposed _________ rockets to the moon．

    [　　]
    A．

    to send

    B．

    to be sending

    C．

    to have sent

    D．

    to have been sending

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