Did you see the accident ________when you were walking past?A.to happen B.happenC.happenedD.is happening选哪个,为什么要专业,还有哪种情况和这个一样,举个例子.

分类: 作业答案 • 2022-06-27 20:19:53

问题描述：

Did you see the accident ________when you were walking past?
A.to happen
B.happen
C.happened
D.is happening
选哪个,为什么
要专业,还有哪种情况和这个一样,举个例子.

答

Did you see the accident ________when you were walking past?选B.happensee sb do sth 所以接原型happen
而意思上是当你正经过学校门口时看见意外已经发生了吗? 望采纳!