29．-How unhappy your roommate looks!

-Yes, but he's not willing to tell me what it is _______ is troubling him.　

A. what　　　　　　　　　　　　　　　　　　　　　　 B. which　　　　　　　　　 C. as　　　　　　　　　　　　 D. that

28. ---What were you doing when I phoned you last night？

　 ---I _______ my painting and was starting to take a bath．

　A. have already finished　　　　　　　　 B. was finishing

　　 C. had just finished　　　　　　　　　　 D. was going to finish

27. This problem may lead to more serious ones if　　　 unsolved．

A．making　　　　 B．left　　　　　 C. remained　　　　 D．keeping

26. With the weather worsening，they _______ the voyage from London to Australia．

　　 A. called in　　 B. called off　　　 C. called out　　 D. called for

24．You’d better take a pen when you go to the meeting 　　　there is something important to write down.

　　　 A．as if 　　　　　　　　 B．so that 　　　　　　　 C．in order 　　　　　　 D．in case

25.　 A _____ will be offered for information leading to the arrest of the bank robber.

　　 A. reward　　　 B. award　　　 C. prize　　　 D. profit

第一节：单项填空(共15小题；每小题1分，满分15分)

从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。

21.　 ______ computer, which was invented in the 1950s, is widely considered as _____ useful tool in modern society.

　 A. The, an　　　　 B. A, the　　　　　 C. 不填, an　　　　 D. The, a

22. ______ is known to all is that while driving drivers should keep an eye out for road signs, on which are words or symbols giving directions or other traffic instructions.

　 A. What　　　 B. As　　　　 C. It　　　　 D. Which

23．　　 　with a difficult situation，Arnold decided to ask his boss for advice．

A．To face　　　　 B．Having faced　　　　 C．Faced　　　　 D．Facing