35. The woman seated over there admitted that she　　 charge of the project two months　　 .

　　　 　 A. took, before　　　　　　　　 B. had taken, before　　　

C. would take, ago　　　　　　 D. had taken, ago

34. 　　　is no doubt that all his devotion to the research will　　 .

　　　 　 A. It, pay off　　　　　　 　　　 B. There, pay off　　　　　

C. It, pay back 　　　　 　　D. There, be paid off

33. Mr. white promised that he would tell me the result　　 he knew it.

A. the instant　　　　　　　　　　 B. the moment when　　　 C. while　　　　　　　　　　　 D. before