I have always regretted ______ harder at school. A．not to study B．to not study C．having not studied ...
2022-12-11 00:15:28 178次 2015届甘肃武威第六中学高一下学期模块检测英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I have always regretted ______ harder at school.
A．not to study B．to not study
C．having not
studied D．not having
studied
本题链接：
