We have done much to protect the environment. So the river is getting than before.
| A．dirtier | B．dirty | C．cleaner | D．clean |
--Is it _____ pen?
--Yes. It' s ______ orange pen.
A a; aB. an; an
C. a; an D. an; a
—I really want to give up my dream of being a singer.
—_________. You are so young that you still have more chances.
| A．Don’t do it like that. | B．It’s a good idea. |
| C．Why not start again. | D．How lovely you are! |
She _________her lovely pet dog last week. She was very sad for the _________of the dog..
| A．lose, loss | B．lost, losing |
| C．lost, loss | D．lost, lost |
The Smith are considering _________ to England because they __________ the cold weather there.
| A．not moving, aren’t used to |
| B．not moving, didn’t use to |
| C．not to move, didn’t use to |
| D．not to move, aren’t used to |
My teacher was so angry at _______________ he walked out of the office without a word.
| A．what he did and | B．what did he that |
| C．he did what that | D．what he did that |