A:Excuse me.Is there a post office near here?
B:Sorry
A:I am _ the post office,please.
B:Sorry,I do not know.You would better ask that policemam.
A:Thank you very much.
A:Excuse me.Can you tell me the way to the nearest post office?
C:Sure.Walk along this road ,and take the fourth corner on the right.Then turn left at Bank Road.Walk on till you come to a bridge.Go across the bridge.It is about a hundred metres on the left.
A:how long is it from here?
C:It is aboutthree kilometers away.You'd better take a bus.
A:Which bus do I need,please?
C:I think you need a number 68.It is along that road,on the right.
A:Thank you very much.
C:You are welcome.