—Catherine, I have cleaned the room for you.
—Thanks, you __________it. I could manage it myself.
| A．needn’t do | B．needn’t have done |
| C．mustn’t do | D．shouldn’t have done |
I would like a job which pays more, but _________ I enjoy the work I’m doing at the moment.
| A．in other words | B．on the other hand |
| C．for one thing | D．as a matter of fact |
_________ the Internet is bridging the distance between people, it may also break some families or cause other family problems.
| A．As | B．If | C．While | D．Since |
The silence of the library is sometimes broken by a sudden cough or the sound of pages __________.
| A．turning | B．turned | C．being turned | D．having turned |
---It’s many years since I saw you last time. I _________ you at all.
---I wouldn’t have, either, if someone _________ you by the name.
| A．don’t recognize; hadn’t called |
| B．didn’t recognize; didn’t call |
| C．haven’t recognized; didn’t call |
| D．didn’t recognize; hadn’t called |
---When shall we meet your cousin at the station?
---His plane took off 2 hours ago, and it _________ arrive at 5pm.
| A．could | B．should | C．must | D．can |