When I left my office，I saw the headmaster________to some students at the school gate．
| A．talk |
| B．talking |
| C．talks |
| D．to talk |
I________my clothes when the phone rang．
| A．wash |
| B．washed |
| C．am washing |
| D．was washing |
The campers were so tired that they________asleep soon．
| A．dropped |
| B．drop |
| C．fell |
| D．fall |
I called you several times．but you didn’t________．
| A．take up |
| B．look up |
| C．pick up |
| D．stay up |
It’s raining________．Don’t go out without an umbrella．
| A．heavy |
| B．heavily |
| C．strong |
| D．strongly |