. — is your brother?
— A doctor for the children.
| A．Who | B．What | C． Whose | D．Which |
Look! The students _____ the classroom.
A. cleaning B. are cleaning C. are clean
—May I use your bike?
—_____
A. Of course not. B. Of course. Here you are. C. I don’t have a bike.
—Hi, Lily. Happy New Year!
—_____
A. Thank you all the same. B. The same to you. C. I’m OK.
—_____ does your mother usually go to the office?
—By bus.
A. How B. What C. Where
--- Do you mind if I turn on the air-conditioner?
---___________. I feel a bit hot.
| A．You’d better not | B．Go ahead | C．I’d rather you didn’t | D．Of course |