I didn’t know it was Sunday I got to school.
| A．because | B．when | C．after | D．until |
The blue coat is the cheapest and the red coat is the second _________
| A．cheaper | B．cheapest |
| C．the cheapest | D．cheap |
It’s important _____ healthy. Do you think so?
| A．to stay | B．stay | C．staying | D．to staying |
-- ____ is the population of your city?
-- About seven ____.
| A．How many； million | B．What； million |
| C．How large； millions of | D．How much； million |
Usually, we like to _________ before doing sports so that we can't hurt during the sports.
| A．cheer on | B．point at | C．warm up | D．ask for |
I usually go home by bike, but sometimes I _________.
| A．by foot | B．take bus | C．by a bus | D．walk |