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　　小升初英语语法经典练习题：定语从句（4）

　　31. The Second World War ___ millions of people were killed ended in 1945.

　　A. on which B. where C. in that D. during which

　　32. Did you tell your mother all ___ you had seen on the way home？

　　A. what B. why C. that D. which

　　33. It’s one of the most important meetings ___ this years.

　　A. that has been held B. which has been held

　　C. that have been held D. which have held

　　34. Do you know who lives in the building ___ there is a well.

　　A. in front of it B. in front of whose

　　C. in front of which D. in the front of which

　　35. I’ll never. forget the day ___ I joined the League.

　　A. on which B. which C. in which D. at which

　　36. She showed her new watch to my wife， ___ was kept in a box.

　　A. who B. which C. that D. it

　　37. She had three sons， all ___ became doctors.

　　A. who B. whose C. of which D. of whom

　　38. This is the new type of plane ___ parts are made of plastics.

　　A. that B. what C. which D. whose

　　39. ___ is known to all， China is a developing country， belonging to the third world.

　　A. It B. That C. As D. Which

　　40. Is this the leaning tower ___ Galileo did experiments centuries ago？

　　A. that B. where C. which D. when