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    [2013浙江]17. Bears fat stores throughout the summer and fall to have energy enough to last them through their winter sleep. A. pack up B. build up C. bring up D. take up 【查看更多】

     

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    Bears ________ fat stores throughout the summer and fall to have energy enough to last them through their winter sleep.????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? ????????????? (2013·浙江，17)

    A．pack up? B．build up

    C．bring up? D．take up

     

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