—________ one and a half months enough for the project to be finished?
—I am afraid not. The professor is ill and only after he recovers ________ go on with it.
| A．Is; he can | B．Are; he can |
| C．Is; can he | D．Are; can he |
It was about 600 years ago _______ the first clock with a face and an hour hand was made.
| A．that | B．until | C．before | D．when |
You didn’t let me drive. If we _______ in turn, you _______ so tired.
| A．drove; didn’t get | B．drove; wouldn’t get |
| C．were driving; wouldn’t get | D．had driven; wouldn’t have got |
It’s obvious that the Beijing Olympic Games _______ a great success．
| A．kept | B．showed | C．proved | D．remained |
The information on the Internet gets around much more rapidly than ______ in the newspaper.
| A．it | B．those | C．one | D．that |
My sister met him at the Grand Theater yesterday afternoon, so he _______ your lecture.
| A．couldn’t have attended | B．needn’t have attended |
| C．mustn’t have attended | D．shouldn’t have attended |