◎ 题干

Mr Li has some trouble sleeping, so dinking a glass of milk before going to bed every night is his common_____.
A.practiceB.knowledgeC.experienceD.duty
◎ 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“Mr Li has some trouble sleeping, so dinking a glass of milk before going to bed every night is his common_____.A.practiceB.knowledgeC.experienceD.duty…”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。