1. 听录音，回答问题。

1. （1） How many minutes is the Green Line running late?

   A . 10. B . 15. C . 20.
3. （2） Which track will the Yellow Line now leave from?

   A . Track 6. B . Track 7. C . Track 8.
5. （3） What should passengers do if they are taking the Red Line?

   A . Get a new ticket. B . Wait for the next train. C . Go to a different location.
7. （4） What happens to the trains on the White Line after 3:45 today?

   A . They will be cancelled. B . They will be delayed. C . They will be on time.