this really don't know

this really don't know I really don't know how to read this word. I really don't know how to explain this pnblem i really don't know they don`t really know l really don`t know where __. sorry,I really don't know---------- I really don't know where to “are you really don't know I really don't know ____I can put this big table ——What .abo --- I really don't know if we ____ any lessons this Sunday. Day your mama, I really really don't know 是什么意思?