____is very natural,man can't live without air.为什么我第一反应会填That?正确答案是as 想问下此句做什么样的变动 可以用that

____is very natural,man can't live without air.为什么我第一反应会填That?正确答案是as 想问下此句做什么样的变动 可以用that Miss Brown is my English teacher ____is very nice. How ____is your father He is very well,How ____is your father He is very well,thanks. natural natural natural natural natural natural natural _Lily's_ bag is very big（对画线部分提问） ____ ____is very big? Lessen three is very interesting.同义句 ____ ____ ____is very interesting. The Summer Palace is (very beautiful) 划线提问 ____is the Summer Palace____? john's father is very busy .his ____is always fullhis后面应该填什么 During the_____,the_____feels very nervous when the ____is _____him(interview) 请解答（有加分） Our country is very big ,____is very beautiful too.A.its B.he C.she为什么不用its? The game has five leves.It is very diffcult.(合为一句) The game ___ ____ ____is very diffcult 以 ____is very important in my life.为题写一篇英语作文80词,内容简单就是,