给下列句子排序,使成为一段完整的对话.
（ ）A:Excuse me.Is there a supermarket near here?
（ ）B:Sorry.I'm new here.You can ask others.
（ ）C:Yes?What is it?
（ ）A:Is it next to the post office?
（ ）C:It's down First Avenue on the right.
（ ）C:You're welcome.
（ ）A:Excuse me.Can you help me?
（ ）A:I want to know the way to the supermarket.
（ ）C:Yes,it's between the post office and the bank.
（ ）A:Many thanks.