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    - have you been in the singing group? -More than five years by now. A. When B. How long C. How often D. Where 【查看更多】

     

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    — _______ have you been in the singing group? 　　　　
    —More than five years by now.
    [     ]
    A. When 　　　
    B. How long 　　　
    C. How often　　　
    D. What time

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