It is comfortable to__.为什么是sit in而不是be sat in全文是：The chaier looks hard ,but in fact It is comfortable to__.

Well,it is not comfortable to touch it is very comfortable to sit outside in the warm s_____. it is comfortable enough to live in the room同义句 though the room is small,it is comfortable to live in.为什么后面不用to be lived? 翻译：My bedroom is small,but it is comfortable. people like to travel by plane(-because it is the most comfortable and fastest way)对括号里的提问 翻译It is human nature that a great many people are often willing to live a comfortable life. The sofa looks very hard but _______ (actual) it is quite comfortable to sit on.括号里形式怎么变 it is made of silk and is very comfortable 还是 it is made of silk and very comfortable I__by plane twice.It is very fast and comfortable. It is comfortable doing sth.有这个句型吗? though the room is small,it is comfortable t------ A-to live B to live in Cliving in Dlive in 为什 It's_________(not comfortable)to live in this nsmall room. it's important to feel comfortable around people意思 he found it _______(comfortable) to lie in sofa chair is comfortable to sit on 还是in ? the sofa is very comfortable to sit 改错. The house ___(face) south is comfortable to live in.