31. --- Which of these two magazines will you take?

　 --- I’ll take 　　, in case the journey is boring.

A. all　　　　　　 B. either　　　 　　　 C. both　　　 　　　　　　 D. neither

30. --- The terrible accident is under investigation

--- Actually, quicker action 　　　　those workers trapped in the mine.

A. might have saved　 　　　　　　　　　　　　 B. must have saved　

C. could have saved　 　　　　　　　　　　　　　 D. should have saved

29. It is required that all traffic participants should 　　　　the traffic rules to make traffic safer and faster.

　 A. perform　　　　 B. observe　　　　 C. support　　　 D. possess

28. --- Do you mind if I open the window to let in some fresh air?

　 --- 　　　　.

　 A. Never mind　　 B. No, go ahead　　 C. No, you’d better not　　 D. Of course, go ahead

27. Little Tom admitted 　　　　in the shop, 　　　　that he wouldn’t do that in future.

　 　 A. to have stolen; promising　　　　　 B. stealing; promised

C. to stealing; promised　　　　　　　 D. having stolen; promising

26. Many people believe we are heading for environment disaster 　　　　we basically change the way we live.

　 A. if　　　　　 　　　　　　　 B. but　　　 　　　　　　　 C. unless　　　　 　　　 D. once

25. There is a possibility that these hens could be frightened and lay fewer eggs 　　　a sudden loud noise.

A. would there be　　 　　　　　　　　　　　　　　 B. should there be

C. there was　　 　　　　　　　　　　　　　　　　　　　　　 D. there having been

24. The drunken driver, rather than the passers-by 　　　　for the traffic accident.

　 A. was to be blamed B. was to blame　 C. were to blame　　 　　 D. were to be blamed

23. --- How long 　　　　you 　　　　in the country with your grandparents, Henry?

　 --- About four weeks. I’ll return as soon as school starts.

　 A. are; staying　　 　　 B. did; stay　　 　　 C. do; stay　　 　　　　　　 D. had; stayed

22. 　　　　is known to us all is that the Chinese government has spared no efforts to protect people from fake food.

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