48. John is one of my closest friends, whom I have known for a very long time
49. A pacifist is a person who believes that all wars are wrong
50. What is the name of the man whose car you borrowed?
51. I have lost the watch that costs a lot of money
52. We were given a lot of information, most of which was useless
53. Julia has two sisters, both of whom are teachers
54. I have sent her two letters, neither of which she has received
55. Mary has three brothers, all of whom are married
56. They asked me a lot of questions, most of which I couldn't answer
57. Jill isn't on the phone, which makes it difficult to contact her
