---I _________ stay up late. ---Really? I didn’t. But I ______ working in the night.
| A．am used to, am used to | B．used to, used to |
| C．am used to, used to | D．used to, am used to |
Joan writes ____than she did 2 years ago.
| A．much more careful | B．more careful |
| C．much carefully | D．more carefully |
—The pollution problem here seems to get more and more serious.
--Yes. Something_____about it.
| A．must do | B．must be done |
| C．is doing | D．had been done |
When I got to the cinema, the movie ___for 15 minutes.
| A．began | B．had been on |
| C．had begun | D．has begun |
Nearly three fourths of work _____finished by students, the rest of work will ___ off.
| A．is; be put | B．is ; put |
| C．are; put | D．are; be put |
His father believe in_____ very much, so he makes decisions all by _____.
| A．he; him | B．his ; himself |
| C．he ; himself | D．him; himself |