35.-Excuse me, is the shop open around the clock?

--- _________. Only from 8:00 a.m. to 4:00 p.m.

A. I’m afraid not 　　 　　　　　B.I’m not sure

　C. Well, it depends　　　　　 D. That’s right

34.---You may find the key to the maths problem on page 107 .

　 ---Ah, it’s so simple . I wonder why I 　　　　　of that .

　　　 A. hadn’t thought　　　　　　 B. haven’t thought

　　　 C. didn’t think 　　　　　　　　　　　　　 D. wasn’t thinking

33. Our teacher asks us to clean the floor in the morning as our daily _____.

A. virtue 　　　　　　　 　　B. regulation　　　 　 C. routine　　　　　 　　 D. fortune

32.---Have you been to the Great Wall?

--Perhaps not in my memory.　 ____, it might have been during my early childhood.

A. If any　　　　　　　 B. If ever　　　　　　　　　　 C.If once　　　　　 　　 D. If not

31.-Do you still remember when we went to Nanjing?

　 ---I can’t remember now but _____ sometime last summer?

　 A. might it be　　　　　　　　　 B. could it be

　 C. could it have been　　　　　　 D. should it have been

30. _____in a science competition, the three students were awarded scholarships totaling $ 21, 000.

A. To be judged the best　　　　 B. Judged the best　

C. Having judged the best　　　 D. Judging the best

29.---John, how did your English exam go?

---I thought I ____, but in fact I came in the top 10% in the class.

A. should have failed 　　　　　　　　　　　　　　　　 B. couldn’ t have failed

C. might have failed 　　　　　　　　　　　　　　　　 D. mustn’ t have failed