Listen! Someone _________ for help!
A. called B. is calling C. has called
Quite a lot of people watch TV just to _____ time.
A. kill B. spend C. take
The only thing _____ can be done is to stop them from going there.
A. that B. which C. what
Never ______ such a foolish man since I came to this part of the city.
A. I did see B. did I see C. have I seen
I asked him where ________?
A. he worked B. did he work C. does he work
---- Must I get through the business in one evening?
---- No, you______.
A. mustn’t B. needn’t to C. don’t have to