问题描述: he found it difficult to get to sleepto get to sleep的成分是什么 1个回答 分类:英语 2014-10-23 问题解答: 我来补答 to get to sleep,做动词不定式指代itit's very important for you to study English.to study English也时用来指代it的.题目的意思:他发现很难入睡 展开全文阅读