_____ our group, Li Fei often goes to bed late _____ school nights.
| A．At, in | B．On, on | C．In, at | D．In, on |
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 |
—The lights in his room are still on．Do you know? —The exam is coming．
| A．why does he stay up so late |
| B．why he stays up so late |
| C．what is he doing |
| D．what he is doing |