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18.She was helpful and  trustworthy,so she was elected ________monitor of________Class 2.(  )
A.the;不填B.the;theC.不填;theD.不填;不填

分析 她乐于助人并且值得信任,因此她被选为2班的班长.

解答 答案:D.
考查零冠词.monitor"班长",是职务名称,不需要加冠词;Class 2"2班",是专有名词,不需要加冠词,故选D.

点评 本题考查零冠词的用法.总结如下:节日名称前;专有名词前;抽象名词和物质名词前;月份、星期、季节前;名词前有指示代词、不定代词、名词所有格修饰时;表示一类人或事物的复数名词前;职位、头衔前;三餐、球类、棋类前.

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