问题描述：
what is the different between 是and四?
i need it for my chinese club!AAAAAAAAAAAAAAAAA,i'm sooooo confused with that stupid chinese,mom and dad and big brother they all wants me learn chinese,my bro's chinese is a lot better then me.
i need it for my chinese club!AAAAAAAAAAAAAAAAA,i'm sooooo confused with that stupid chinese,mom and dad and big brother they all wants me learn chinese,my bro's chinese is a lot better then me.
问题解答：
我来补答展开全文阅读