用may提问怎么回答

肯定回答:Yes, please.或 Sure, be my guest.否定回答: Sorry, I'm afraid not.
may i come inyes,pleaseMay I have a hot dog?
Yes, please.(Sure, be my guest.)
Sorry, I'm afraid not.
我可以来一只热狗吗?
当然可以 。
【用may提问怎么回答】不 , 不可以 。