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
The teacher told us a piece of bad news．When we heard of the news，we were all________silence．
A．for
B．in
C．with
D．by
