◎ 题干
If you really want yourself to be in good health, you must ___ always ___ so much.
A.not; be smokingB.not; have smokedC.not; to smokeD.be not; smoking
◎ 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“If you really want yourself to be in good health, you must ___ always ___ so much.A.not; be smokingB.not; have smokedC.not; to smokeD.be not; smoking…”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。