Seeing their teacher ( )(walk)into the classroom,theystopped talking at once.walk不是一个瞬间动词吗,为什么答案上写的是walking?

分类: 作业答案 • 2022-01-02 15:24:26

问题描述：

Seeing their teacher ( )(walk)into the classroom,they
stopped talking at once.
walk不是一个瞬间动词吗,为什么答案上写的是walking?

答

现在进行时

答

walking; talking

答

see sb.doing sth.看见某人正在做某事,固定表达,所以填写“walking”