35. ---We missed you at this morning’s meeting, Diana.

　 ---____________, but if I hadn’t had to meet a friend, I would have been there.

　 A. Me, too　　　 B. I’m sorry　　　 C. Never mind　　　 D. Thank you

34. The old lady’s hand shook frequently. She explained to her doctor _______ this shaking had begun half a year before, and ______, only because of this, she had been forced to give up her job.

　 A. when; how　　 B. how; when　　 C. how; how　　 D. why; why

33. I was on the highway when this car went past followed by a police car. They ______ at lease 150 km an hour.

　 A. should have been doing　　　　　 B. must have been doing

　 C. could have done　　　　　　　　 D. would have done

32. Mark was a student at this university from 1999 to 2003, ___________ he studied very hard and was made chairman of the Students’ Union.

　 A. during which time　　　　 B. for which time　　

C. during whose time　　　　 D. by that time