◎ 题干
—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.
______
A.I'm sorry about this.B.No problem.
C.Sure, I'd love to.D.Never mind.
◎ 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“—Sir, could you please put out your cigarette? This is a smoke-free (无烟的) school.—______A.I'm sorry about this.B.No problem.C.Sure, I'd love to.D.Never…”主要考查了你对  【日常用语、谚语】【情景交际】  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。