一道初中补全对话题：

题目

一道初中补全对话题：
A:_______.Could you tell me where i can find a place to repair my radio?
B:There is one on Zhongshan Road.
A:Thank you,but ____________________?
B:About three hundred meters.You may turn left here and go straight until you see the market.
A:_________________?
B:Yes,it is.It is a very big one.
A:But________?
B:You may ask the policeman at the gate.
A:Sorry to have given you so much trouble.
B:______________.

答案

Excuse me
how far is it from here
Is the market big?
how can I find the shop to repair my radio in such a big market?
Never mind.