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    24．If a computer crashes, you will lose the file you on unless you save it regularly． A．are working B．work C．will work D．worked 【查看更多】

     

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    If a computer crashes,you will lose the file you _____ on unless you save it regularly.?    A.are working                 B.work?

        C.will work                  D.worked?

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     If a computer crashes, you will lose the file you ______ on unless you save it regularly.

    A. are working       B. work                 C. will work                 D. worked

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    If a computer crashes, you will lose the file you ________ on unless you save it regularly．


    1. A.
      are working
    2. B.
      work
    3. C.
      worked
    4. D.
      will work

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    If a computer crashes, you will lose the file you           on unless you save it regularly.

    A．are working          B．work           C．will work            D．worked

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    If a computer crashes, you will lose the file you ________ on unless you save it regularly．

    [　　]

    A．are working

    B．work

    C．will work

    D．worked

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