Science and technology is changing fast nowadays. I bought this MP3 player at the beginning of this year but now it's out of________.
| A．date |
| B．order |
| C．use |
| D．sight |
He used the small room ___ a lab.
| A．like | B．as | C．to | D．about |
He will go to school by bike ___ on foot.
| A．instead | B．of | C．instead of | D．no |
Soon the hall was filled ___ people.
| A．with | B．in | C．into | D．without |
He allowed me ___ the experiment.
| A．to do | B．do | C．doing | D．did |
She was __ after the long walk.
| A．out of breathe | B．breatelessly | C．out of breath | D．having no breath |