求一个英语情景对话 要现实生活中的 常用的

那就问路咯。 A：Would you please tell me where is the library. B:Er.. Sorry. I don't know. But i think you can ask the man over there. A: Execuse me . Sir. Do you know how to go to the library? C:Yes. Walk along this road and then turn right you can see a traffic light and turn left. The libray is in front of you. A:Thank you Sir . C: It's my preasure