---Is it polite to speak and laugh loudly ______ ?
---No, I don’t think so.
A. in public B. at least C. on time
This photo reminds me ____ the days when I worked ____ the
farm with my classmates.
| A．about; in | B．about; on | C．of; in | D．of; on |
Peter usually gets up early ____ the morning.
| A．on | B．in | C．at | D．of |
You must ride your bike ____ the right side of the road.
| A．at | B．on | C．in | D．for |
During the Spring Festival, the heavy snow stopped many people
from ____ back home.
| A．go | B．goes | C．went | D．going |