---If there are _____people driving, there will be ______air pollution.
---Yes, the air will be fresher and cleaner.
| A．less, less | B．less, fewer |
| C．fewer, fewer | D．fewer, less |
I was afraid ________ English in class, because I was afraid _______ being laughed at．
| A．to speak; to | B．to speak; of |
| C．of speaking; on | D．on speaking; to |
His father warns him_________ that in the future．
| A．doing | B．did |
| C．not to do | D．do |
__________ honest man he is!
| A．What | B．What an |
| C．How | D．How an |
— Many thanks for what you’ve done for us.
— .
| A．Don’t mention it |
| B．Never mind |
| C．That’s right |
| D．You seem to have a point |
—_______delicious beef !
—Well，you can eat more if you like it.
| A．What | B．What a |
| C．How | D．How a |