The teacher is very angry ___________ these students.
| A．with | B．at | C．of | D．in |
--- Where is your brother, Leo?
--- He is in Hainan on vacation. He for two weeks.
| A．has gone | B．has left | C．has been away | D．left |
The students be in the classroom because there are lights in it.
| A．can | B．must | C．can’t | D．mustn’t |
There a lot of farmland here. But now you can only see tall buildings.
| A．used to have | B．is used to being |
| C．used to having | D．used to be |
It is really a wonderful film. I it just now and still feel frightened at present.
| A．will see | B．saw | C．see | D．have seen |
Great changes in China since 1978.
| A．took place | B．has happened | C．have taken place | D．happened |