◎ 题干
The pills       him.If only he had taken them regularly.
A.could helpB.may help
C.must have helpedD.might have helped
◎ 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“The pillshim.If only he had taken them regularly.A.could helpB.may helpC.must have helpedD.might have helped…”主要考查了你对  【虚拟语气】【情态动词】  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。