71.　 He is the only one of the girls of her class who ___ the piano well. A. plays　　　　　　 B. play　　　　　　　　　　 C. playing　　　　　　　　 D. are playing

70.　 The highest building, ___, is in the center of our city. A. which has ever built　　　　　　　　　　 B. which we have ever built C. that has ever built　　　　　　　　　　　　 D. that has ever been built

69.　 Still, ___ is more surprising, he has not said he will withdraw. A. as　　　　　　　　　 B. that　　　　　　　　　　 C. what　　　　　　　　　 D. which

68.　 He is a man of rich knowledge, ___ a lot can be learned. A. who　　　　　　　 B. with whom　　　　 C. from which　　　　 D. from whom

67.　 This is Prof. Jackson from US, ___ I think has something interesting to tell us. A. who　　　　　　　 B. whom　　　　　　　　 C. that　　　　　　　　　　 D. /

66.　 The buses, ___ were already full, were surrounded by an angry crowd. A. most of them　　　　　　　　 B. most of which　　 C. most of those　　　 D. most

65.　 The sun gives off light and heat, ___ makes it possible for plants to grow. A. that　　　　　　　 B. as　　　　 　　　　　　　　 C. what　　　　　　　　　 D. which

64.　 I, ___ am a friend of yours, will offer all ___ to help you. A. who; what I can B. who; I can C. whom ; that I can D. that; I can

63.　 ___, “movable word printing” was first developed in China. A. As is known to all　　　　　　　　　　　　 B. It is known to all that C. We all know　　　　　　　　　　　　　　　　 D. It is known to all

62.　 ___ can be seen from his skin, the man must be from Africa. A. That　　　　　　　 B. As　　　　　　　　　　　 C. Who　　　　　　　　　　 D. Which