内容正文:
答案:16-18;BCB; 19-22;badc; 23-26;caba; 27-30;c dda; 31-35 cbfae
36-40;dabcb; 41-45;ccadd ;46-50: babcd
51. beginning ; 52; festivals 53. to sell 54. from .55.whether ;
56; terrible 57. an , 58. luckily ;59. has spread 60. because
61. fruits ;62;aloud ; 63. born 64. garden 65.whose ;
66. except 67.prefers 68.invented 69.plenty 70. entered
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