I’m not sure about the meaning of the word. You’d better look it up in a ____ ．
| A．letter | B．dictionary | C．postcard | D．notice |
She looked at me________disbelief when I told her the news．
| A．with |
| B．on |
| C．in |
| D．for |
Keep________till you see the light，then turn right．
| A．walk |
| B．to walk |
| C．walked |
| D．walking |
The children decide________ their schoolyard this Friday afternoon．
| A．clean |
| B．to clean |
| C．cleaning |
| D．cleaned |
After all the students took their seats，the headmaster________．
| A．show up |
| B．show off |
| C．showed up |
| D．showed off |
You’d better make a good plan________you take a holiday．
| A．before |
| B．during |
| C．until |
| D．after |