“Can I help you,sir?”“________．”

-Can I help you,sir? Can I help you,Sir? ---Can I help you sir Can I help you sir 怎么读 can I help you,sir?Yes.____. 一道英语补全对话A:Good morning,sir.Can I help you?B:________.A:Yes,s Can I help you?_____ ______ I______ _______ you,sir Can l help you,sir? A: Good morning, Sir. Can I help you? A:Good-afternoon,Sir.Can I help you?B:Goo may i help you sir? May I help You,sir 改为( )I ( )you,sir