答案

1-5   CBAAC     6-10 ACACC       11-15 CABBA      
16-20   doctor   by bus     apartment    on    even 
21-25 BBCAC      26-30 ABDAA      31-35 DBABB      36-40 CCABB  
41-45 CAABA      46-50 ACBDD      51-55 BACBB      56-60 ACBDB  
61-65 BCCDA      66-70 CDDAD      71-75 DAEBF
76. environment   77. believe   78. temperature   79. celebrate   80. machine
81. over and over again   82. able to wake up   83. traditional food on special 
84. gave thanks for   85. make fall down 
86. paper   87. less  88. part   89. environment   90. already   91. bored   92. fly  
93. station    94. disagree   95. impossible  

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