◎ 题干
I _____while my friend _____ TV.
[     ]
A. arrived; was watching
B. was arriving; watched
C. arrived; watched
D. was arriving; was watching
◎ 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 _____while my friend _____ TV.[ ]A. arrived; was watchingB. was arriving; watched C. arrived; watched D. was arriving; was watching …”主要考查了你对  【一般过去时】【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。