◎ 题干
He is writing a novel, so he shuts himself up, ________ to receive guests.
A.refusesB.to refuseC.refusingD.refused
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He is writing a novel, so he shuts himself up, ________ to receive guests.A.refusesB.to refuseC.refusingD.refused…”主要考查了你对  【状语从句】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。