I feel tired, but I don’t want to stop _______.
A. work B. to work C. works D. working
I _______ 2 hours finishing my homework last weekend.
A.took B.cost C.paid D.spent
----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.