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单选题公共英语一级

2012-06-28

Itmehour to do my homework

A．take；an

B．took；a

C．took；an

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参考答案

C

答案解析

考查时态、一致性和冠词用法。句型It takes sb．some time to do sth．意为“做某事花了某人多少时间”。由于主语(It)是第三人称单数，谓语动词也应用第三人称单数形式；而可数名词hour是元音开头，其不定冠词应用an。结合这几个方面可知[C]是正确选项。

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