（1）What animal does the writer walk with ？
A.Ducks.
B.Goats.
C.Dogs.
（2）Why did people keep dogs in the past？
A.To make money.
B.To make them safe.
C.To help them work.
（3）What is a dog for a child？
A.A smart teacher.
B.A helpful brother.
C.A playing partner（同伴）.
（4）What do young people keep a dog as？
A.A friend.
B.A teacher.
C.A child.
（5）Why do old people keep dogs？
A.Because dogs can do many things for them.
B.Because dogs are their teachers.
C.Because they keep dogs as their children.