you don't know,do you

you don't know,do you Do you think i know or don't know you know or don't know? 猜猜 Do you know--------last night?Sorry,I don't know I don\'t know I like who~Do you know? Do you know ___?-Sorry I don't know. -Do you know ___?-Sorry,I don't know Do you know ______?---No,I don't know. Do you sometimes talk with people you don't know? you don't happen to know the time,do you what do you mean you don't know Yes!do you think they are?I don't you talk you don't know wh ou?I don't know what I should do?maybe you don't know either