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【题目】He can finish the work in _______ hour.

A. a B. an C. the D. /

【答案】B

【解析】

试题分析:句意:他可以在一小时完内完成这工作。冠词作为一种虚词,只能和名词一起使用。英语中的冠词分为不定冠词和定冠词。不定冠词有两个,a an。a用在辅音开头的单词前面;an用于以元音开头的单词前。不定冠词用在单数可数名词前面,表示这个人或事物是泛指的不确定的一个,相当于中文的“一个”。定冠词和名词连用,表示某个或某些特定的人或东西。所以选B。

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