第二节  单词,短语填空(选用所给单词或短语的适当形式填空,每小题1分,满分10分)
    
        
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            deny, accompany, dozen, entry, take chances, go about,  serve as, accuse …of …,date back to, keep track of  | 
    
 
 
 
86. Children under 14 must be _______ by an adult when they are travelling. 
87. Despite the threat of war, people _______their business as usual. 
88. The shop assistant was dismissed as she _______cheating customers. 
89. A lot of people here are afraid _______to do new things. 
90. I’d like to buy many _______pencils, but I doubt if I could afford them.