II.单项填空(共15小题;每小题1分，满分15分)
21.The news came to us as _______ great surprise that he had turned __________ writer.
A a; a B a; / C. /; a D. /; /
This school is _______ for experienced teachers.
| A．in need | B．badly off | C．in sight | D．at ease |
John thinks it won’t be long he is ready for his new job.
| A．when | B．after | C．before | D．since |
—How do you find my idea?
—_______.
| A．By opening your notebook. | B．I don’t like it a bit. |
| C．You showed it to me. | D．When I came in, I found it. |
We’ll look into the case as soon as we can. Just be ________, please.
| A．slow | B．silent | C．patient | D．comfortable |
I don’t know whether he has finished the novel, but he ________ it this morning.
| A．was reading | B．has read | C．read | D．had read |