◎ 题干
E-mail is very popular today. People hardly post letters, ________?
[     ]
A. did they
B. do they
C. didn't they
D. don't they
◎ 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“E-mail is very popular today. People hardly post letters, ________? [ ]A. did they B. do theyC. didn't they D. don't they …”主要考查了你对  【反意疑问句】  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。