The teacher did what he could _____ his students. A. help B. helping C. helps D. to help
2023-02-02 17:38:31 28次 2013-2014学年辽宁省营口市九年级中考模拟（三）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 teacher did what he could _____ his students.
A. help B. helping
C. helps D. to help
本题链接：
