◎ 题干
Do you know _________ at this time yesterday?
[     ]
A. what she is doing
B. what is she doing
C. what she was doing
D. what was she doing
◎ 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 _________ at this time yesterday?[ ]A. what she is doingB. what is she doingC. what she was doingD. what was she doing…”主要考查了你对  【过去进行时】【宾语从句】  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。