31. You can hardly imagine what great trouble we had 　　　　　the work.

A. to do　　　 　　　B. done　　　 　　　　　C. doing　　 　　　　　D. do

30. Jim 　　　　　a skilled worker for almost six years. He is an experienced manager now.

　 A. has been　　　　　　 B. had been　　　　　 　　　 C. is　 　　　　　　　 D. was

29. --- I’ll come to see your performance at 9:00 tomorrow evening.

--- But by then my performance will have ended and I 　　　　　reporters in the meeting room at that time.

A. will meet　　　　 B. will be meeting　　　 C. are going to meet　　 D. am meeting

28. China has 　　　　　in producing clones of cows and goats, and continues to research ways　 　　　　　_______ can benefit mankind.

　 A. resulted ; that　　 B. succeeded ; /　　　　 C. succeeded ; that　　　 D. resulted ; in which

27. I wouldn’t think it 　　　　　him to join the club - he’ll only refuse.

　 A. was worth to ask　 B. worth to ask　　　　 C. was worthwhile for　 D. worthwhile to ask

26. The program you are watching is 　　　　　broadcast while the performance is in process on the stage.

　 A. lively　　　　　　　　 B. living　　　　　　　 　　　 C. live　　　　　　　　　　　 　 D. alive

25. The angry teacher 　　　　　the impatient boy who was doing something that had nothing to do with what was being taught.

　 A. glared at　　　　　　 B. looked into　　　 　　　 C. called on　　　　 　　　 D. watched out

24. He failed in the driving test again. He 　　　　　.

A. must have disappointed　　　 　　　　　　B. must have been disappointed

C. might be disappointed　　　 　　　　　　D. couldn’t be disappointed

23. Going to college isn’t the only way out; our society is 　　　　　people with widely

　 different abilities.

　 A. made of　　　　　　　　　　 B. made up for 　　 　　　C. made form　　 　　 　　D. made up of

22. A sense of 　　　　　is what it takes for a comedian to perform well in a comedy.

　 A. humor　　　　 　　 B. humorous　 　　　　　 C. harmony　　　　 　　　 D. harmonious