（）— _____ does your brother go to school?
— By bike.
A. Where B. How C. What
（） — _____ do you work?
—I work at a school.
A. What B. Where C. Why
（）My father is a _____.
A. worker B. work C. works
（） — Is she a _____?
— Yes, she is.
A. policeman B. farm C. nurse
（）I am ill. I should see a _____.
A. doctor B. driver C. farmer