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    ( ) - have you been skating? - I’ve been skating since I was seven years old. A. How long B. How often C. How many D. How much 【查看更多】

     

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    －________ have you been skating?

    －I’ve been skating since I was seven years old．

    [　　]
    A．

    How long

    B．

    How often

    C．

    How many

    D．

    How much

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