◎ 题干
—What _____ you _____ at nine o'clock last night, Michael?
—I was watching TV.
[     ]
A. was; doing
B. were; doing
C. is; doing
D. did; do
◎ 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“—What _____ you _____ at nine o'clock last night, Michael? —I was watching TV.[ ]A. was; doingB. were; doingC. is; doingD. did; do…”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。