why don't you可以等于why not.那why doesn't he可以等于吗?为什么!
why don't you可以等于why not.那why doesn't he可以等于吗?为什么!
why not可以=why don't you
why not是否等于why don't we?(why not后面用加together吗)
why not是否等于why don't we
Why don't you+...why not +.
是why don't he还是why doesn't he
why don't you 等于什么
why not do sth.=why don't you do sth.还等于什么
why don’t you=why not还等于什么?两个空!麻烦大家答答.
why didn't 可以改成why not
why don't we =why not 还是why don't you=why not
why 否定的用法 why not 是不是等于why don't?