—Listen! Is that Millie singing?
—No. It _____ be Millie. She has gone to Beijing.
| A．may | B．can’t | C．must | D．mustn’t |
He is going to be a teacher when he_____up.
| A．grows | B．grew |
| C．growing | D．grow |
I want to go_____for my winter vacation.
| A．somewhere different | B．different somewhere |
| C．anywhere different | D．different anywhere |
I find ____ necessary for us to read English every morning .
| A．this | B．that | C．it | D．one |
We don’t agree_____Lily.
| A．from | B．of |
| C．With | D．on |
---_____are you going to do that?
---Work harder.
| A．How | B．Where |
| C．What | D．When |