肯定句：
I AM CHINESE.HE IS JAPANESE,WE ARE FRIENDS.
疑问句：
are you chinese?is he japanese?are you friends?
肯定回答：
yes,i am.yes,he is,.yes ,we are.
否定回答：
no,i am not.no,he is not.no,we arenot.
否定句：
i am not chinese,he is not japanese,we are not friends.
希望可以有所帮助,圣诞快乐哦!@@@