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2014-02-25

From the tears in Nedra's eyes we can deduce that something sad __________

A．must have occurred

B．would have occurred

C．might be occurring

D．should occur

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参考答案

A

答案解析

A。从内德拉眼中的泪水我们可以推测，一定有令人悲伤的事情发生了。考查情态动词。此句考查情态动词表示推测的用法。must后跟现在完成时表示对过去发生的事情的推测。

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