I was doing my homework yesterday evening, Mother was cooking dinner. A. When B. While C. As D. Sinc...
2022-11-17 08:59:13 166次 2015-2016学年江苏句容行香中学八年级上期末考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I was doing my homework yesterday evening, Mother was cooking dinner.
A. When B. While C. As D. Since
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