When you are sleeping, you had better______ all the windows closed.
| A．don’t keep | B．not keep |
| C．not to keep | D．not keeping |
We hope you ______ your promise.
| A．to keep | B．keeping | C．kept | D．keep |
The price of books is ______ than before.
| A．more expensive | B．very expensive |
| C．much higher | D．more higher |
--- Do you mind if I smoke here?
--- ______. You can go to smoke in the next door.
| A．Yes, please | B．Never mind |
| C．You ’ d better not | D．Of course not |
--- Why are you in such a hurry, Billy?
--- There ______ a TV show “I am a singer! ” in ten minutes.
| A．will have | B．will be |
| C．is going to have | D．are going to be |
It will be bad for your health to eat ______ food and take ______ exercise.
| A．fewer; more | B．more; less |
| C．little ; much | D．less; more |