-Don't step on the grass next time, Mike.
-_______.
| A．Is that so? | B．Don't worry. | C．I don't know. | D．Sorry, I won't |
The air in Beijing is getting much ______ now than a few years ago.
| A．clean | B．cleaner | C．cleanest | D．the cleanest |
His pen is _____ than that one.
| A．more cheaper | B．cheap | C．much cheaper | D．much cheap |
There _____ an English film here tomorrow.
| A．has | B．is going to | C．is going to be | D．will have |
My father _____ to Beijing next week.
| A．goes | B．is going | C．went | D．go |
This blue sweater is too big for me. Would you please show me a _____ one?
| A．small | B．smaller | C．the smallest | D．smallest |