35. One thousand people were trapped in the damaged building, most of _____ were saved.

A. them　　 B. who　 C. that　　 　 D. whom

34. -Did you remember to give Mary the money you owed her?

　 -Yes. I gave it to her _____ I saw her.

　 A. the moment　　　 B. every time　　　 C. so that　　　 D. now that

33. _____ life began on the earth is one of the greatest puzzles to scientists.

A. What　 　　 B. Which　 　 C. How 　　　 D. That

32. Only when the match was over in the afternoon _____ able to leave.

A. they were　 B. were they C. they could　　　　　　 D. could they