what can i do for you?为什么不能用yes please来回答

what can i do for you?为什么不能用yes please来回答 回答do you mind 为什么不能用yes,please? do you agree 为什么不能用Yes,I do 回答? what can I do for you?回答：A .I want some fruitB .yes,you can. Can i help you?用先回答yes吗 what can i do for you What can I do for you Yes,please.I want to buy a book .how t what can I do for you 回答 英语 完成下列对话A:What can I do for you?B:Yes,please.A:I ______ ___ what can i do for you ?的答语可以是yes,please,i'd some soup吗? may i ask you some questions?回答为什么用yes,please不用yes,i can Can I read this?能用Yes ,please回答吗? 是不是只有"do you"开头的疑问句才能用"yes,i do"来回答?