A: Excuse me, do you know how to get to Xi’an North Railway Station?
B: There is no direct bus. You’d better take the subway.
A: Ok. _______________________________. （）
B: ___________________________________. （你先乘坐地铁一号线到北大街站，那是换乘站，然后换成二号线，到西安北客站。）
A: Do you know where the nearest subway station is?
B: It''s over there in front of the supermarket.
A: ______________________________.（到北客站大概要多长时间？）
B: About half an hour.
A: ______________________________.（从这里到那几站？）
B: Nine stops.
A: Oh, my god. I have no enough money on my card?
B: Don’t worry. You can charge it at the subway.
A: That’s great. Thank you very much.? ? ? ?
B: ________________________. （不客气。）