--Are you satisfied with the air today?
--Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.
| A．worse | B．better | C．worst | D． best |
Our teacher always says, “_____careful you are, _____mistakes you’ll make”.
| A．The more, the fewer |
| B．The more, the less |
| C．The most,the least |
| D．The most,the fewer |
---I often study English _____listening to tapes.How about you?
----I always watch English movies ___TV.
| A．in,in | B．on,on | C．by,in | D．by,on |
---Do you know ______famous tennis player named Li Na?
---Yes. She plays tennis well.
| A．a | B．an | C．the | D．/ |
If you _________ something that you have done, you wish that you had not done it.
A. regret B. expect C. like
It is __________ for us to do exercises regularly. It is good for our health.
A. tiring B. necessary C. the worst