答案:
71. in -- on
72. the (most)
73. cancel -- make
74. interviewer -- interviewee
75. in -- on
76. 去掉was
77. (say) so
78. slowly -- fast
79. Therefore -- However
80. clarified -- clarifying
vt. 理解,懂,聽(tīng)說(shuō),獲悉,將 ... 理解為,認(rèn)為<