I don't know what to bring to.

i don t know what ------(bring)to the party i don\'t know what to I don't know what to do i don't know what to say I don't know what I think,to what I don't know what to wear for the party I don't know what I don't know what to I understand,but,I don't know what to do? i don't know what i want to be i don't want to know what it's been. i want to know what it i don't know to do what 对吗 1:I really don't know what to say.