题目

be to do sth.和be about to do sth.有什么区别?

提问时间：2020-10-09

答案

be to do sth约定,注定,必定要做什么.如:They were to meet at the usual place.他们约好在老地方见．be about to do sth 正要做什么如：He was about to leave when the phone rang.他正要离开就在这时电话响了．...