（1）How can people take a pet on the subway （地鐵） in New York？
A.By getting a pet license.
B.By putting it in a box or bag.
C.By buying a special ticket for it.
（2）How many dog pictures did Andrew have at first？
A.Twenty.
B.Thirty.
C.Forty.
（3）Where did Andrew share the dog pictures？
A.In magazines.
B.On the Internet.
C.On notice boards.
（4）Who sent Andrew the dog pictures？
A.His friends.
B.Subway guards.
C.Other passengers.
（5）What other interesting animals has Andrew seen on the subway？
A.Snakes.
B.Rabbits.
C.Cats.