—What are you doing?
—I'm the key to the door.
A. finding out B. looking after C. looking for
—Mum, must I stay there the whole day?
—No, you .You come back after lunch, if you like.
| A．mustn’t; can | B．needn’t; must |
| C．needn’t; may | D．mustn’t ; must |
I think _______ necessary for you _______ breakfast.
| A．this; have | B．that; to have |
| C．it’s; to have | D．it’s; have |
You’d better _______ too much meat. You are much too fat.
| A．not eat | B．eat other |
| C．not to eat | D．don’t eat |
The old man was _______ sad _______ say a word when he heard the bad news.
| A．too; to | B．enough; to |
| C．such; as | D．so; as |
—Why do you like living in the countryside?
—Because there’s _______ noise and _______ cars there.
| A．less; fewer | B．fewer; less |
| C．less; less | D．fewer; fewer |