I am sorry i don't know____now

I am sorry i don't know____now I am sorry ,I don`t Sorry I don't Sorry,I don't understand . sorry,I don't know. Sorry,I don't like Sorry,I don't know I am sorry I don’t know the exact answer ____________(I) I am sorry I can't hear______. I am sorry to keep you waiting for so longA I don't think so Sorry ,I am new here .I don:t know about the city. I am playing chess too,( )about you sorry,I don't.括号填 what 还