问题描述: It is also very easy for us to travel here.主语it能改为this吗?为什么? 1个回答 分类:英语 2014-12-08 问题解答: 我来补答 不行!固定句型 It's +形容词 (for/ of sb ) to do sth (对某人而言)做某事是.的. 展开全文阅读