A. By plane.
B. By sea.
C. By train.
4. What did he see when he arrived at San Francisco?
[ ]
A. A poster.
B. A letter.
C. A friend.
5. What did he do in San Francisco?
[ ]
A. He traveled in the countryside.
B. He helped the injured (受伤的) people.
C. He talked to the people there.