While I TV in the sitting room, the bell .A. watches, ringsB. watched, rangC. was watchin

发布时间：2020-08-21 02:02:37

While I      TV in the sitting room, the bell     .
A. watches, rings
B. watched, rang
C. was watching, rang
D. watched, was ringing

网友回答

A. watches, rings
B. watched, rang
(答案→)C. was watching, rang
D. watched, was ringing
解析：while引导的时间状语从句，一般情况要用进行时态。
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