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    Do you know many man-satellites space by our scientists since the middle of the twentieth century? A. have sent into B. were carried into C. have been sent into D. have been brought into 【查看更多】

     

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    Do you know many man-satellites _____ space by our scientists since the middle of the twentieth century?

     

    　　A. have sent into B. were carried into C. have been sent into D. have been brought into

     

     

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    Do you know many man-satellites　　 space by our scientists since the middle of the twentieth century?

    A. have sent into　　　　　 B. were carried into　

    C. have been sent into　　 D. have been brought into

     

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    Do you know many man-made satellites _____ space by our scientists since the middle of the twentieth century?
    [     ]
    A. have sent into
    B. were carried into
    C. have been sent into
    D. have been brought into

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