31．　　　 a written permission, he had to write another letter to the president of the university.

　　　 A．Not giving　　　　　　　　　　　　　　　　　　　　　　 B．Not having been given　

　　　 C．Having not given　　　　　　　　　　　　　　　　　 D．Having not been given

30．--- Have you heard that Jones, along with her parents, 　　　to Hainan for the winter vacation?

　　 --- Really? No wonder I haven’t seen her these days.

　　　 A．had been　　　　　　 B．have been　　　　　　 C．has gone　　　　　　 D．have gone

29．There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________.

　　　 　A. answer for　　　　　　　 B. stand for　　　　　　　　　 C. go for　　　　　　　　　　　 D. care for

28．The traffic problems we are looking forward to seeing _____　 have attracted the government's attention．

　　　 A．solving　 　　　 B．solve 　　　 　　C．solved 　　 　　D．to solve

27．-Have you seen your aunt lately?

　　　 -Yes, in fact I saw her yesterday．I __　 　her for several months．

　　　 A．haven't seen　 　 B．didn't see　 　　　 C．hadn't seen 　　 D．don't see

26．－How do you usually find out about new software?

　 －In the magazines like Popular Electronics. That’s 　　computer companies usually advertise.

　　　 A．which　　　 　　 B．where　　　 　　 C．what 　　　　　 D．why

25. _____ private cars are bringing us convenience, they may also cause more traffic accidents and pollution.　

A．While　　　　　　　 B．As　　　　　　　　　 C．If　　　　　　　 D．Since

24. ----You just think of yourself! You kept me waiting for at least three hours．

----I am sorry that you _____ think so.

　 A．would　 　　　　　　　　　 B．might　　　　　　 C．could　　 　　　　　　　 D．should

23. Some say one thing, but ____.　

A．other, another　 　　　　　　　　　　　　B．others, the other　 　 C．others, another　　 　　　　　　 　　　　　　　　　 D．the others, others

22．David got a higher grade in the final exam, for, you see, he made 　　　　mistakes.

　　　 A．few　　　　　　　　　　 B．fewer　　　　　　　　　 C．little　　　　　　　　　　 D．less