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    精英家教网 > 初中英语 > 题目详情
    —How long has Sam been skating?
    —He _____ for five hours.

    A. have been skating
    B. has been skating
    C. was skating
    D. has been skated
    B
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    科目：初中英语 来源：同步题 题型：单选题

    —How long has Sam  been skating?
    —He _____ for five hours.
    [     ]
    A. have been skating
    B. has been skating
    C. was skating
    D. has been skated

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