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

题目简介

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

题目详情

While I _______ TV in the sitting room, the bell _______.
A.watches, ringsB.watched, rang
C.was watching, rangD.watched, was ringing
题型:单选题难度:中档来源:不详

答案

C
while引导的时间状语从句,一般情况要用进行时态。

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