The class teacher happened to see him ________ the old lady cross the road when she was on her way h...
2022-05-26 16:16:08 20次 上海外国语大学闵行外国语中学2019-2020学年六年级下学期期中英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
The class teacher happened to see him ________ the old lady cross the road when she was on her way home yesterday.
A.help B.helping C.to help D.helped
本题链接：
