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
The woman _______ when she saw the boy in the shop．
A．shopped B．shopping
C．was shopping D．are shopping
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 or the news，we were all _______ silence．
A．for B．in
C．with D．by
