根据下列句子及所给汉语注释，在答题卡指定区域的横线上写出空缺处各单词的正确形式，每空只写一词。
66．I had a long talk with the 66. headmaster 67. Justice 68. mined 69. twice 70. grammar[来源:Zxxk.Com]71. contrary 72. wandered 73. struggling 74. hungrily 75. delayed （校长） about my son．
67． （正义） has long arms．
68．Coal has been （开采）since the sixteenth century in this area．
69．The tablets should be taken （两次）a day．
70．People were too polite to correct my （语法） when I spoke English．
71．It’s not that I don’t like him – on the （相反）, he seems very pleasant．
72．My thoughts （漫游）from the exam questions to my interview the next day．
73．They are （挣扎） to keep their heads above the water．
74．They ordered Chinese food, and when it arrived they ate （饥饿地）．
75．She （耽搁）for two hours and missed the train．
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