My father was reading newspapers ____ my mother was cooking at this time yesterday evening. A. when ...
2023-02-27 23:26:47 73次 2010-2011年度四川省七年级下学期月考英语卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
My father was reading newspapers
____ my mother was cooking at this time yesterday evening.
A.
when B. which C.
while D. because
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