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    Be careful! The ice is not thick enough. You’d better on it. A. skate B. not to skate C. not skate D. not skating 【查看更多】

     

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    Be careful! The ice is not thick enough. You’d better _______ on it.

    A．skate                                                        B．not to skate 

    C．not skate                                                  D．not skating

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    Be careful!The ice is not thick enough．You'd better ________ on it．

    [　　]
    A．

    skate

    B．

    not to skate

    C．

    not skate

    D．

    not skating

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