While________ along the road, Mr. Smith met an old friend of his. A. walked B. he is walking C. walk...
2022-12-07 12:31:40 34次 2014届河北邯郸馆陶第一中学高三上期第一次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
While________ along the road, Mr. Smith met an old
friend of his.
A. walked B.
he is walking C. walking
D. is walking
本题链接：
