阅读以下对话，选择正确答案。

Mike: Who's that girl?

Sarah: She's my sister. She works in a school.

Mike: What does she do?

Sarah: She is a teacher. She teaches Chinese.

Mike: How does she go to work?

Sarah: She goes to work by bike.

1. That girl is Sarah's ____________.[ ]

A. aunt

B. mother

C. sister

2. She is a ____________.

A. teacher

B. singer

C. writer

3. She teaches ____________.[ ]

A. English

B. maths

C. Chinese

4. She works in a ____________.[ ]

A. company

B. school

C. post office

5. She goes to work ____________.[ ]

A. on foot

B. by bus

C. by bike