--- Don’t talk. --- ___________.
A. Thanks. B. OK. I’m sorry. C. That’s OK.
( ) These are _____.
A. bike B. bikes C. a bike
（） — How do you go to school?
—I _____ school.
A. walks to B. walk C. walk to
（）— _____ 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