To our surprise, at the back of the classroom ______ many teachers from different parts of the city....
2022-09-25 11:07:49 175次 2018年6月2日 周末培优《每日一题》2017-2018学年高二英语人教选修8 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
To our surprise, at the back of the classroom ______ many teachers from different parts of the city.
A. sits B. are sitting
C. sat D. were sitting
本题链接：
