听力原文:W: Good morning. M: Good morning. What can I do for you? W: I'd like a ticket to Pittsburgh, please. M: Round trip? W: No. One way. M: Okay. That'll be twenty-two dollars. W: Twenty two? last time I took this bus it was only twenty. M: I know. The rates went up this month. W: Just like everything else. M: Yeah. Where does the dialogue take place? A.At the ticket office. B.In Pittsburgh. C.At the airport.
A. M: B. M: C. M: D. W: E. M: F. W: G. M: H. Where I.At J. B.In K. C.At L.