◎ 题干
— Do you know what time the accident happened yesterday?
— I'm not sure. Maybe at 2:30 pm. I _____ at the department store at that time.
[     ]

A. shop
B. was shopping
C. am shopping
D. shopped

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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 what time the accident happened yesterday?— I'm not sure. Maybe at 2:30 pm. I _____ at the department store at that time.[ ]A. shop B. was s…”主要考查了你对  【过去进行时】  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。