31. Between the two generations, it is often not their age, _________ their education that causes misunderstanding.

　 A. like　　　　 B. as　　　　　 C. or　　　　　　 D. but

30. Does this meal cost $50? I __________ something far better than this!

　 A. prefer　　　 B. expect　　　 C. suggest　　　　 D. suppose

29. I smell something __________ in the kitchen. Can I call you back in a minute?

　 A. burning　　 B. burnt　　　　 C. being burnt　　　 D. to be burnt

28. We all know that, __________, the situation will get worse.

　 A. not if dealt carefully with　　　　 B. if not carefully dealt with

　 C. if dealt not carefully with　　　　 D. not if carefully dealt with

27. ---How’s your tour around the North Lake? Is it beautiful?

　 ---It ________ be, but it is now heavily polluted.

　 A. will　　　　 B. would　　　　 C. should　　　 D. must

26. I won’t call you, ________ something unexpected happens.

　 A. unless　　　 B. whether　　　　 C. because　　　　 D. while

25. ---The last one ____________ pays the meal.　　

---Agreed!

　 A. arrived　　　 B. arrives　　 　　C. to arrive　　　　　 D. arriving

24. ---It’s a long time since I saw my sister.　

---_______________ her this weekend?

　 A. Why not visit　　　　　　　　　 B. why not to visit

　 C. Why not visiting　　　　　　　　 　D. Why don’t visit

23. The manager suggested an earlier date ____________ the meeting.

　 A. on　　　　　 B. for　　　　　　　 C. about　　　　　　 D. with

22. Some pre-school children go to a day care center, __________ they learn simple games and songs.

　 A. then　　　　　 B. there　　　　　　　 C. while　　　　 D. where