参考答案:
第二部分
21—30 A B D C D C A B B C
31—40 A B D A C A C B B D
41—50 C A C B D D A D B C
第三部分
51—55 B C G D A
56—58 D A A
59—62 B A D D
63—66 C C B C
67—69 B D A
70—72 C A B
73 In a park/He flew the kite in a park
74 Because he wanted the kite to fly higher
75 We should never let go of rules.
第四部分
76 repair
77 offers
78 common
79 smart
80 peace