He was sitting there,_____in deep thought.

分类: 作业答案 • 2022-01-09 18:05:09

问题描述：

He was sitting there,_____in deep thought.
A.lost
B.being lost
为何选B

答

A,B都对
但B更准确,强调过去正在进行,因为前面是was sitting.后面自然是was being lost...,这里省略了was
还原一下就是
He was sitting there (and was) being lost in deep thought.