---I think Miss Gao must be in the library. She said she would go there.
---No, she ___________ be there. I have just been there.
| A．can’t | B．mustn’t | C．needn’t | D．wouldn’t |
_______ it is to help the old men clean the houses!
| A．What a great fun | B．How great fun |
| C．How great a fun | D．What great fun |
We went to Mr Wu for _______.
| A．an advice | B．some advices |
| C．some advice | D．advices |
It is important ______ the piano well.
| A．of him to play | B．for him to play |
| C．of him playing | D．for him playing |
Hainan is a very large island. It is the second ______island in China.
| A．large | B．larger | C．largest | D．most large |
He_____ a teacher because he knows a lot.
| A．maybe | B．may be | C．may not be | D．may to be |