He was reading a book while his mom_______________. A. cooks B. is cooking C. cooked D. was cooking
2022-12-09 13:34:15 80次 2015-2016学年北京西城区八年级上学期期末考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
He was reading a book while his mom_______________.
A. cooks B. is cooking C. cooked D. was cooking
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