Must we hand in the exercise book now?
No, you______, you can hand in it tomorrow.
| A．mustn’t | B．needn’t |
| C．can’t | D．shouldn’t |
As teenagers, we should study hard _____surf the Internet all day.
| A．rather than | B．instead of | C．not just | D．more than |
Please _____ your homework _____ before you hand it in.
| A．look; for | B．look; after | C．look; out | D．look; through |
An online magazine makes us ______ more paper.
| A．to save | B．to use | C．save | D．use |
Mum bought me a dress _____ the visit to Hainan Island.
| A．in | B．for | C．at | D．on |
Your shirt is wet! Please _____ it in the sun.
| A．wash | B．clean | C．dry | D．tidy |