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    The volunteers were so kind that they devoted most of the time _____ the disabled.

    A. to help
    B. helped
    C. helping
    D. to helping
    D
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    科目：高中英语 来源：浙江省期中题 题型：单选题

    The volunteers were so kind that they devoted most of the time _____ the disabled.
    [     ]
    A. to help
    B. helped
    C. helping
    D. to helping

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