读短文，将正确答案的序号填入题前括号里。

      Hello, I'm Peter. I'm a student. Usually I go to school on foot. Because my home is near the school. My

father is a teacher. He often goes to work by subway. Sometimes he goes to work by taxi. My mother is a

nurse. She usually goes to work by bus. Sometimes she goes to work by bike.

1. Usually Peter goes to school ______________. 

A. by bus

B. on foot

C. by car

2. Peter's father is a ______________. 

A. teacher

B. driver

C. doctor

3. Sometimes Peter's father goes to work ______________. 

A. on foot

B. by taxi

C. by subway

4. Peter's mother is a ______________. 

A. farmer

B. nurse

C. baseball player

5. Peter's mother always goes to work ______________. 

A. by bus

B. by bike

C. by car