问题描述：
I want to find a room to live (in),后面那个in介词啊要加的?
另外,像It is difficule for me to do it.这类句子的最后一个词是否要加,我弄不清.
另外,像It is difficule for me to do it.这类句子的最后一个词是否要加,我弄不清.
问题解答：
我来补答展开全文阅读