A set of keys _____ on the desk. Some boxes _____ on the desk, too.
| A．are, are | B．is, are |
| C．is, is | D．is, am |
WeBeijing next week.
| A．are leaving for | B．leave to | C．to leave to | D．left to |
They planduring the vacation.
| A．to go hiking | B．to go hike | C．go hiking | D．going hiking |
Do you go to school on foot？
| A．everyday | B．everydays | C．every day | D．every days |
Although he is really heavy,he still runs fast.
| A．/ | B．but | C．and | D．so |
It takes about twelve minutesand five minutes by bike.
| A．walking | B．walk | C．to walk | D．walking |