I felt sorry that i () (help) her that time .括号里是用did not 还是could not?

分类: 作业答案 • 2021-12-24 15:44:35

问题描述：

答

did not 表示确实发生的事情（没有帮）
could not help表示虚拟语气,原句可写为I felt sorry that I could help her that time.