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It’s important for the figures _________...

It’s important for the figures _________ regularly.

A. to be updated         B. to have been updated

C. to update             D. to have updated

 

A 【解析】 试题分析:考查不定式用法。本句中it是形式主语,真正的主语是后面的不定式短语。本句中的不定式是一个复合结构,the figures与动词update构成被动关系,所以使用被动语态。句意:这些数据被经常更新很重要。故A正确。 考点:  
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