◎ 题干
— I bought a very beautiful postcard for Teachers' Day.
— Really? When _____ you _____ it?

[     ]

A. do; buy
B. will; buy
C. did; buy
D. did; bought
◎ 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“— I bought a very beautiful postcard for Teachers' Day. — Really? When _____ you _____ it? [ ] A. do; buy B. will; buy C. did; buy D. did; bought …”主要考查了你对  【一般过去时】  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。