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    Life is like time; once , it never returns. A. to lose B. losing C. lost D. being lost 【查看更多】

     

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     Life is like time. Once _____, it never returns.

           A. to lose              B. losing               C. lost            D. being lost

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    Life is like time; once      , it never returns.

    A. to lose                    B. losing                 C. lost                     D. being lost

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