◎ 题干
He ran as fast as he could ______________ the people in trouble.
A.to helpB.helping
C.helpedD.help
◎ 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 ran as fast as he could ______________ the people in trouble.A.to helpB.helpingC.helpedD.help…”主要考查了你对  【实义动词的单数第三人称形式】【实义动词】【动词短语】  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。