18. What did Kevin ask his friend Tony yesterday?
A. Where Tony wants to spend his vacation.
B. How Tony will get to his destination.
C. The best way to travel in the US.
19. What does Tony think of taking a train?
A. It is very boring.
B. It is not comfortable.
C. It is not very convenient.
20. How will Kevin go to the west coast?
A. By bus B. By plane . C. By train.