◎ 题干
— Do you know _____ or not it's impolite to smoke during a meal in France?
— Yes, it's not impolite.

[     ]

A. that
B. whether
C. if
◎ 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“— Do you know _____ or not it's impolite to smoke during a meal in France? — Yes, it's not impolite. [ ]A. that B. whether C. if …”主要考查了你对  【从属连词】  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。