--- Could you please clean the room?
--- _____ I have to do my homework.
| A．Yes, sure. | B．Why not? |
| C．Sorry, you can’t. | D．Sorry, I can’t. |
It’s four o’clock in the afternoon. The boys __ in the pool.
| A．is swiming | B．are swiming | C．are swimming | D．is swimming |
My friend works ___ a hospital ___ a doctor.
| A．at, in | B．from , as | C．in, as | D．on ,as |
He ______ his uniform every day. It’s _______ beautiful.
| A．wears , kinds | B．wears, kinds of |
| C．in , kind of | D．wears, kind of |
--- What do they do? ---_________.
A. They are actors. B. They are Chinese. C. They like movies.
The police catch(抓住) many ____ every year.
| A．theives | B．theif | C．theifs | D．thieves |