提示： Lucy 要去艺术展览中心，向一位男士问路，该男士告诉她如何前往。 ( L = Lucy; S = Sir) L :Excuse me, sir. (1) the Art Exhibition Centre? S : Yes, but it is quite far. It. s about an hour. s walk. You can take a bus the~ L: (2) ？ S:You can take B.us No. 15. L: (3) ？ S:About 20 minutes. And you can also take a taxi. L:Taxi? That. s a good idea. Thank you very much. S: (4) L: Goodbye. S: (5)