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    20．-Haven’t you realized the use the used paper? -yes, already. A．we make of B．which we make C．for our making D．for us to make 【查看更多】

     

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    －Haven’t you realized the use ________ the used paper?

    －yes, already.

    A．we make of                                                B．which we make   

    C．for our making                                           D．for us to make

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