— Must we clean the classroom now?
— No, you needn't. It after school.
| A．may clean | B．must clean | C．need be cleaned | D．can be cleaned |
You have to move out of the way,the truck cannot get past you．
| A．so | B．or | C．and | D．but |
This project requires close teamwork．will be achieved unless we work well together．
| A．Nothing | B．Anything |
| C．Something | D．Everything |
We’re here to havefun，to learn，to work together and to makedifference．
| A．a；a | B．a；／ | C．／；a | D．／；／ |
—I’m going to Sydney for a couple of days． —．I wish I could get away for a while．
| A．It doesn’t matter | B．Forget it |
| C．I really envy you | D．I can’t agree more |
—should teenagers spend at least 30 minutes taking exercise?
—Five times a week，according to some reports．
| A．How much | B．How soon |
| C．How long | D．How often |