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Lots of rescue workers were working around the clock

来源:焚题库   [2021年3月22日] 【

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    单项选择题 Lots of rescue workers were working around the clock,()supplies to Yushu , Qinghai province after the earthquake.

    A.sending

    B.to send

    C.having sent

    D.to have sent

    正确答案:A

    答案解析:句意:地震发生后,大量的营救人员夜以继日地为青海省玉树县提供补给。该空为现在分句短语作伴随状语,故选A项。

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