---I think ______ people drive, ______ air pollution there will be.
---That’s true. I hope the air will be fresher soon.
| A．the less, the less | B．the less, the fewer |
| C．the fewer, the fewer | D．the fewer, the less |
It’s a bad habit to ______ what you can do today until tomorrow.
| A．write down | B．put off |
| C．give away | D．worry about |
Over $30,000 ______ for a children’s hospital by a British girl several months ago.
| A．is raised | B．was raised |
| C．will be raised | D．has been raised |
I didn’t hear your call because I__________to music at that time.
| A．listen | B．will listen |
| C．am listening | D．was listening |
--- May I go swimming now?
--- No, you ______. You must finish your homework first.
| A．mustn’t | B．may not |
| C．couldn’t | D．needn’t |
Her son __________ Coke, but now he __________ milk．
| A．is used to drinking; used to drink |
| B．used to drink; uses to drink |
| C．used to drink; is used to drinking |
| D．is used to drink; is drinking |