We can have ________ bluer sky if we create _________less polluted world.
| A．a; a | B．a; the |
| C．the; a | D．the; the |
We haven’t decidedto go. —Of course to Beijing.
| A．where | B．how | C．when | D．who |
Therea fashion show tomorrow.
| A．have | B．has |
| C．is | D．will be |
How do you usually go to school?
I usually go to school ____ a bus.
| A．by | B．on | C．for | D．in |
“ Don’t laugh at me” he says _________
| A．happy | B．happily |
| C．angry | D．angrily |
.It’s too cold, please keep the door _________
| A．close | B．closed |
| C．open | D．opened |