填空题 .Woman: Excuse me. Do you need my help?
    Man: Well,     1    but I can't use these ticket machines.
    Woman: Ah, well, just press this button. And from here, it's a dollar fifty.
    Man: Okay.
    Woman:     2    .
    Man: Alright. Oh, and how often do the trains come around this time of day?
    Woman:     3    .
    Man: Okay, I got it. Thanks for your help.
    Woman: No problem. Good luck.
    A. I want to go to the science museum.
    B. You have dropped your purse, you know?
    C. Usually, they come about every six minutes.
    D. Then, get on the train at platform No.4.

填空题 1. 

填空题 2. 

填空题 3.