This box is __________ than that one.
| A．heavy | B．heavier |
| C．heaviest | D．the heaviest |
Have you ever seenbad weather?
| A．such | B．so | C．so a | D．such a |
----When can he finish the work?
----.
| A．Not until next week | B．Until next week |
| C．A few days ago | D．For a few days |
Do you know how many peoplethe big fire last week?
| A．stayed | B．lived | C．survived | D．continued |
We must try our best to stop the pollutiona happier life.
| A．from live | B．from living | C．living | D．to live |
We talked until Mr wu asked us
| A．happily, be quiet | B．happy, to be quiet |
| C．happily, to be quiet | D．happy, be quiet |