题目内容
8．I knocked on the door but answered．（ ）| A． | somebody | B． | nobody | C． | anybody | D． | everybody |
分析 我敲了门但没有人应答．
解答 答案：B 联系汉语意思根据句中的but（但是，表转折），可知是敲了门无人回应；根据已有的知识储备，可知somebody意为某人，常用于肯定句；nobody意为没有人，含否定意义；anybody意为任何人，常用于否定句或疑问句中替代somebody；everybody意为每个人，人人．综上所述此处应用nobody，故选B．
点评 此题考查不定代词的词义辨析．熟记用法是做题的前提，再联系语境抓住关键信息，选择符合含义和用法的代词．
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