35. Thank you for all your hard work last week. I don’t think we _____it without you.

　A. can manage　 B. could have managed　 C. could manage　 D. should have managed

34. Choosing the right dictionary depends on _________ you want to use it for.

　 　 A. what　　　　　　　　 B. why　　　　　　　　　 C. how　　　　　　　　　　　　 D. whether

33.The monument was built in honor of the explorer who was believed ______the big river.

A.to have discovered　　　　　 B.to have been discovered

C.to discovered　　　　　　　 D.having been discovered

32. --------Bruce, I really appreciate your handwriting.

-----__________.

　　　 A．I practice every day 　　　 B．Thank you very much

　　　 C．No, I don’t think so 　　　 D．Well, It’s not good enough.

31. ______twice, the postman refused to deliver our letters unless we chained our dog.

A. Being bitten　 B. Bitten　 C. Having bitten　 D. To be bitten