––Now the air in our hometown is even_______ than it was before.
––So we must do something to stop it.
| A．better | B．more dirty |
| C．more better | D． worse |
This is an important problem. Please______.
| A．write it down | B．write down it |
| C．write it in | D．write in it |
It’s very important ______ us ______ English well.
| A．of ,learning | B．for, learning |
| C．of, to learn | D．for, to learn |
He often _________ jokes and makes us _________ .
| A．talks, laugh | B．tells, laugh |
| C．talks, to laugh | D．tells, to laugh |
We don’t need a lot of friends _______ they are good.
| A．as many as | B．as much as |
| C．as long as | D．as more as |
He is different ______ his brother , but he is similar ______ his father.
| A．from, from | B．to, to | C．to, from | D．from, to |