◎ 题干
—We don't permit________in our school.Would you please put your cigarette out?
—Forgive me. I didn't know.
[     ]
A. to smoking  
B. to smoke  
C. smoking  
D. having smoked
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—We don't permit________in our school.Would you please put your cigarette out?—Forgive me. I didn't know.[ ]A. to smokingB. to smokeC. smokingD. having…”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。