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. |