I don't know what to say or do

I don't know ___.A.what to say and to do B.what to say or do i don't know (what to say or do)/(what to say and to do)选哪个? I don't know what to say or do求同意句 汉语翻译I don't know what to say or do. i don't know what to say I don't know what to do I want to help her but don't know what I can do or----- to s I don't know what do you say. i don't know what to say.可不可以说i don't know say what有没有用say w 1:I really don't know what to say. i don't know what to say 同义句 THEN I DON;T KNOW WHAT TO SAY SO EXCITING.