--- Can I look at the menu for a few more minutes before I order?
--- Of course. _______, Sir.
| A．Make yourself at home | B．At your service |
| C．Take your time | D．It doesn’t matter |
We have new work tomorrow, so we should have all this work .
| A．done; done | B．to do; done | C．done; to do | D．doing; done |
The worker you had been thinking highly selfish.
| A．of proving | B．of proved | C．of to prove | D．of being proved |
Some scientists believe that is no doubt a cure for AIDS will be found.
| A．it; that | B．it; whether | C．there; that | D．there; whether |
About four meters long, the room a small reception hall.
| A．served for | B．was served for | C．served as | D．was served as |
–Alice, feed the bird today, _____?
--But I fed it yesterday.
| A．do you | B．don’t you | C．didn’t you | D．will you |