Don't say that I don't know anything; in fact ,I know what y

Don't say that I don't know anything; in fact ,I know what y Don`t say anything.i don`t want to know.that`s i don't know what to say i don't know say what I don't know what to say sorry that I don't know anything about the case e_____ what I read in t i don´t know anything, That teacher say she don't know what i said what i said =___ i don't know what to say.可不可以说i don't know say what有没有用say w i don't know what you know In fact ,all of you don't know what i think是什 1:I really don't know what to say.