30. Let’s __________ the children ___________ 3 groups. Each group will have a _________ room to sleep in.

　　　 A. divided; into; separate　　　　　　　　 B. separated; from; dividing

　　　 C. divided; into; separated　　　　　　　　 D. separated; into; separate

29. If you don’t know what this means, __________ the dictionary.

　　　 A. look into　　　　 B. look up　　　 C. look over　　　 D. refer to

28. We bought the house for its ____________. It is very near the shop where I work.

　　　 A. characteristic　　　 B. value　　　 C. convenience　　　 D. construction

27. The computer system ______ suddenly while he was searching for information on the Internet.

　　　 A. broke out　　　 B. broke up　　　 C. broke in　　 D. broke down

26. The program was so _____________ that the children kept their eyes __________ on the screen.

　　 A. exciting; fixed　　　　　　　　 B. exciting; fixing　　

C. excited; fixed　　　　　　　　 D. excited; fixing

25. Eating too much fat can ____________ heart disease and cause high blood pressure.

　　 A. result from　　 B. contribute to　　 C. attend to　　　 D. devote to

24. ________ being too large, the trousers are too expensive.

　　 A. Except　　　 B. Apart from　　 C. In addition　　　 D. Beside

23. To keep healthy, Professor Johnson _______ cycling as a regular form of exercise after he arrived.

　　 A. took up　　　 B. caught on　　　 C. carried out　　　 D. made for

22. So difficult ______ it to work out the problem that I decided to ask Tom for advice.

　　 A. I did find　　 B. did I find　　 C. I have found　　 D. have I founded

21. If any man here does not agree with me, he should _______ his own plan for improving the living conditions.

　　 A. put on　　　 B. put out　　　 C. put down　　　 D. put forward