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    I really don’t know . A. what to do it B. what do it C. how to do it D. how do it 【查看更多】

     

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    I really don't know _____.
    [     ]
    A. what to do it
    B. how shall I do it
    C. how to do it
    D. what shall I do it

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    At that time I really don't know ______.

    A. what to do it

    B. how to do

    C. what to do

    D. how I do

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    I really don’t know ______ about it.

     A. what to do B. how to do C. to do what D. how can I do

     

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    I really don't know ___________ about it.
    [     ]
    A. what to do
    B. how to do
    C. to do what
    D. how can I do

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    I really don't know ______ about it.

    [     ]

    A. what to do
    B. how to do
    C. to do what
    D. how can I do

    查看答案和解析>>


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