A. which B. why C. that D. it

41. There are three girls in the room, ________ is Tom's sister.

A. the tallest of which B. the tallest of whom 　C. tallest of that D. tallest of which

42. I'll never forget the day _______ I bought my own guitar with my own money.

A. where B. on which C. on when D. that

43. She is just the girl, with _______ my brother came to visit me last month.

A. whom B. her C. that D. who

44. Last night we saw two movies, _______ was interesting.

A. both of which B. neither of which 　C. both of them D. neither of them

45. This is the house in _______ I was born thirty years ago.

A. it B. there C. which D. that

46. Parents are taught to understand ______ important education is to their children’s future.