----Look at the boy running on the playground. Is it David?
---- It ______ be him. I saw him go to the teachers’ office just now.
A．mustn’t B．can’t
C．may not D．needn’t
--- What did the policeman say to you, Liu Ying?
--- He told me ______ my purse in the bicycle basket. It’s too dangerous.
A．not put B．to put
C．don’t put D．not to put
I _______ in London, but now I live in New Yorker.
A．used to living B．am used to living
C．used to live D．am used to live
—I think classical music is pleasant.
—_______ I think it’s boring.
A. I agree. B. I think so.
C. I don’t agree. D. I don’t know.
Michael is fond of _______, but I prefer _______.
A. travel; read B. travelling; reading
C. to travel; to read D. travelling; read
There is a lot of traffic on the road now. You ________ play football there!
A．must B．need C．mustn’t D．needn’t
