He worked late ______ eleven o’clock yesterday.
| A．after | B．until | C．since | D．at |
The boy___ streets without pay in the old days.
| A．was made to clean | B．made clean |
| C．made to clean | D．was made clean |
— How do you improve your writing skills?
—_________ .
| A．I have trouble in reading | B．It’s a bit difficult |
| C．I like the movie best | D．By finding a pen pal |
I have spent______ on this job. I think I can finish it______this afternoon.
| A．sometime; sometime | B．sometimes; some time |
| C．some time; sometime | D．some times; sometime |
Boy, didn’t you see people were waiting in line? Don’t______in!
| A．push | B．pull |
| C．put | D．carry |
The weather is bad. You shouldn’t risk _______ mountains.
| A．to climb | B．for climb |
| C．for climbing | D．climbing |