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    ---How long has he been away? --- . A. Two hours before. B. Since two hours. C. Two hours ago. D. For two hours 【查看更多】

     

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    —How long has he been away？

    —______.

    A. Two hours before　　　　　　　　　　　　　　   B.Since two hours

    C. Two hours ago　　　　　　　　　　　　　　　　   D.For two hours

     

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    -How long has he been away?(　)

    A. Two hours before　　　　　　　　　　    B. Since two hours

    C. Two hours ago　　　　　　　　　　    D. For two hours

     

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