A moment, please．I’m checking if Mr. Smith _________ free tomorrow．
| A．is | B．being | C．to be | D．will be |
The Maths problem is so difficult that _______ students can work it out.
| A．few | B．a few | C．little | D．a little |
It’s quite cold outside, you had better _________the windows.
| A．don’t open | B．not to open |
| C．not open | D．not opening |
The number of the giant pandas in China is getting but the red crowned cranes are getting .
| A．more and more, more and more |
| B．larger and larger, fewer and fewer |
| C．less and less, smaller and smaller |
| D．smaller and smaller, fewer and fewer |
Look! There are many in the sky. I think it will be tomorrow.
| A．cloud, cloudy | B．cloudy, cloud |
| C．clouds, cloudy | D．cloudy, cloudy |
We call her XiWang. What kind of sentence structure is it?
| A．S+V+O | B．S+V+IO+DO | C．S+V+P | D．S+V+DO+OC |