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    71．We should try all means to ensure ourselves all possible risks. A. that B. against C. for D. to 【查看更多】

     

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    We should try all means to ensure ourselves_____ all possible risks.

       A. that             B. against               C. for             D. to

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    We should try all means to ensure ourselves_____ all possible risks.

    A．that

    B．against

    C．for

    D．to

     

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