37. I am very excited to know “S.H.E.”is going to sing at the CCTV Spring Festival Soiree, _____?

　　 A. aren’t I　　　　　　 B. am not I　　C. aren’t you　　　　　　　D. are you

36. Most students used to listen to their teachers in class and completely obey their teachers, _____?

　　 A. used they　　　 　 B. weren’t they　　 C. didn’t they　　　　　　 D. did they

35. You’d better find some information about Nike’s “Chamber of Fear” advertisement, _____?

　　 A. wouldn’t you　　 　　　　B. had you　　　 C. hadn’t you　　 　　　　 D. should you

34. Protecting the South China tiger from dying out takes a long time, _____?

　　 A. doesn’t it　　 　　B. don’t they　　 C. does it　　　　　　　　 　D. do they

33. Nowadays in China some officers are unfit for their positions, _____?

　　 A. are they　　　 　 　B. aren’t they　　　 C. don’t they　　　 　　 D. do they　　　

32. When the disaster struck, many people had no time to escape being killed, _____?

　　 A. didn’t they　　 　 B. did they　　　　 C. did it　　　　　 　 D. didn’t it

31. It’s the first time that she has been to the United States, _____?

　　 A. isn’t she　　　 　 B. isn’t it　　　　 C. hasn’t she　　　　　 D. hasn’t it　　

30. -Why is Tom absent?

　　 -He must be sick, _____?

　　 A. isn’t he　　　　 　 B. must he　　　 C. is he　　　 　 　 D. mustn’t he　

29. I don’t think he could have done such a stupid thing last night, _____?

　　 A. do I　　　　　　 　 　 B. could he　　　　 　C. did he　　　　　 　 D. has he　　

28. Mrs. Black doesn’t believe so many people are suffering from this tsunami, _____?

　　 A. aren’t they　　 　 　 B. are they　　 　　C. doesn’t she　　　　 D. does she