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    The United States up its satellite until January 31,1958. A sent B didn’t send C hasn’t sent D wasn’t sent 【查看更多】

     

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    The United States           up its satellite until January 31,1958.
    [     ]
    A. sent 　　
    B. didn't send　　　
    C. hasn't sent　　　
    D. wasn't sent

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    The United States ________ up its satellite until January 31,1958.

    [　　]

    A．sent

    B．didn't send

    C．hasn't sent

    D.wasn't sent

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