The old man with his son_______the street carefully when the traffic light was red.A.was crossing B.crossed
问题描述:
The old man with his son_______the street carefully when the traffic light was red.
A.was crossing B.crossed
答
答案是A,谢谢采纳。
答
答案是a'表示过去进行时
答
A 一般过去进行时 由when引导的时间状语从句
答
过去进行时,选A,因为看到when