35. -----Is it OK if I take this seat?

-----Sorry, _____.

A. here you are　　 B. take it　　 C. it’s taken　　 D. never mind

34. Only when I left my parents for Italy _____ how much I loved them.

A. I realized　　 B. I had realized　　 C. had I realized　　 D. did I realize

33. He must be helping the old man to water the flowers, _____?

A. is he　　 B. isn’t he　　 C. must he　　 D. mustn’t he

32. News came from the school office _____ Wang Lin had been admitted to Beijing University.

A. which　　　 B. what　　 C. that　　 D. where

31. She brought with her three friends, none of _____ I had ever met before.

A. them　　 B. who　　 C. whom　　 D. these

30. The number of foreign students attending Chinese universities _____ rising steadily since 1990.　　

A. is　　 B. are　　 C. has been　　 D. have been