Are you good ____ math?
| A．with | B．to | C．for | D．at |
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 |
An important _____ of taking mobile phones is that it’s easy to keep in touch.
| A．theme | B．edge | C．height | D．advantage |