I ______ her, but I never could. A. ought to help B. must help C. must have helped D. ought to have...
2023-02-13 01:22:19 156次 福建省长泰一中09-10学年高一下学期期中考 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I
______ her, but I never could.
A. ought to help B. must
help C. must have helped
D. ought to have helped
本题链接：
