29. It ____ to me that the boy might be in danger, so I asked Bob to help me look for him.

　　 A. happened　　 B. occurred　　 C. rushed　　 D. struck

28. It was _____ the old man was about to go to bed that someone knocked at the door.

　　 A. until　　 B. when　 　C. since　　 D. after

27. ______ 3000 years, the Spring Festival celebrates the passing of a year and welcomes a new one.

　 A. Date back to　 B. To date back to　 C. Dating back 　D. Dated back to

26. No matter what others say, I still think _____ quite possible that my dream will come true one day.

　 A. that　　 B. this　　 C. it　　 D. X

25. What will become ____me if I stop attending school? Maybe I’ll just stay home and do nothing.　 A. to　　 B. on　　 C. for　　 D. of

24. Laura, I think there’s someone at the door. Could you go and see_______?

　　 A. who is he　 B. who he is　　 C. who is it　 D. who it is

23. They won’t accept your money, for they _____ independence more than anything else in the world.

　　 A. admire　　 B. value　　 C. award　　 D. praise

22. Although Jenny’s parents have told her not to sit ______ to the TV, she doesn’t listen to them.

　 A. closely　　 B. close　　 C. closing　　 D. closed

21. Sometimes, the _____ of humor in this country causes misunderstanding in other countries.

　　 A. feeling　　 B. sense　　 C. quality　 　D. character

20. I have to take my driving test this week. ______ I fail again?

　　 A. What if　　 B. Only if　　 C. In case　　 D. Now that