It’s quite clever ________ you _______ out the problem.
| A．for; working | B．for; to work |
| C．of; working | D．of; to work |
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 |
I have ________ interesting book. _________ book is Millie’s.
| A．the, a | B．an, a | C．an, the | D．the, the |