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. _______________________________. (应该乘坐哪一趟地铁呢?)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。)