34．In the 　　　　of proof , the police could not take action against the man .

　　　　 A．lack 　　　　　　　　　　　　 B．shortage 　　　　　 C．absence 　　　　　　　　 D．failure

35----I’m terribly sorry, Lili. I’ve left your notebook at home.

　 ----_________?　 I reminded you last night.

　 A. So what　 B. Why not　 C. How come　 D.What if

33. I don’t expect children to be rude, nor 　　　　them to be disobeyed.

A. did I expect　　　　 　　　　 B. do I expect　　　 　 C. I expect　 　　　　　　　　　　　　　 D. I expected

32. 　　　　the whole process for the studies of cancer took more than a year, the technology is moving so fast that it will soon take just weeks.

　 　　 A. How 　　　　　　　　　　 B. Because　　　　 C. If　　　　 　　　　　　　 D. While

31. ––Have you seen your aunt lately?

––Yes, in fact I saw her yesterday. I ______ her for several months.

A. haven’t seen　 　B. didn’t see　　 　 C. hadn’t seen　　 　 D. don’t see