The bell rang ______ the teacher was explaining the problem to the students.. A. after B. while C. b...
2022-12-02 06:10:45 207次 2015-2016学年山西阳泉孟县八年级下期中考试英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The bell rang ______ the teacher was explaining the problem to the students..
A. after B. while C. before
本题链接：
