i dont know what_____(say)to my grandparents

i dont know what_____(say)to my grandparents I don't know what ______(say) to my grandparents.who _______ 求歌!today today today i dont know what to say i dont know how "i dont know baby maybe .,he try to say something .. My lovers dont know what is "pub".I dont know how to explain i dont know what do you say i dont want to know many words i want to say to u but seem stuck in my mind,dont i didn't know what should say to my teacher one day!i miss the love!i dont know how to settle my program I really dont know what to SORRY,I DONT KNOW WHAT YOU SAY.I DONT UNDERSTAND 谁能帮翻译下.