◎ 题干
It is a pity that none of the ______ stopped ______ the poor man lying there, begging.
A.passer-bys; to helpB.passers-by; helping
C.passer-bys; helpingD.passers-by; to help
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“It is a pity that none of the ______ stopped ______ the poor man lying there, begging. A.passer-bys; to helpB.passers-by; helping C.passer-bys; helpingD.pass…”主要考查了你对  【可数名词及其单复数】【集合名词】【名词】  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。