一.1—5 BCBAC 6—10 CABAC
11—15 ABCBA 16—20 CABAB
二.21—25 ACBAB 26—30 CBBAC
三.31—35 CABCA 36—40 CBACB
41—45 BACBA 46—50 BCBAA
四.51—55 CAEBD 56—60 ADEBC
五.61.interview 62. whole 63.play 64. largest 65. studying
66.How 67. quarter 68. arrived 69. angry 70. nothing
六.71.received 72. much 73. her 74. another 75. said
76. or 77. the 78.need 79. by 80. happy
七.(略)