◎ 题干
While she ________ TV in the sitting room, the bell ________.

[     ]

A. watches, rings
B. is watching, rang
C. was watching, rang
D. watched, was ringing
◎ 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“While she ________ TV in the sitting room, the bell ________. [ ]A. watches, rings B. is watching, rang C. was watching, rang D. watched, was ringing …”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。