The boy was sitting there -- when I saw him.A.cry B.to cry C

问题描述:

The boy was sitting there __ when I saw him.A.cry B.to cry C.crying 答案为什么是B
为什么不是C?
1个回答 分类: 英语 2014-10-05

问题解答:

我来补答
就是C
展开全文阅读