◎ 题干
This article says _______ is bad for our lungs.
[     ]
A. smoke
B. to smoke
C. smoked
D. 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“This article says _______ is bad for our lungs.[ ]A. smokeB. to smokeC. smokedD. smoking…”主要考查了你对  【动名词】  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。