Jack___________ from home for two days now, and I am beginning to worry about his safety.

A．has been missing

B．has been missed

C．had been missing

D．was missed

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参考答案

答案解析

【译文】杰克离家失踪已经两天，我开始担心他的安全问题了。
【解析】miss一词的-ing形式和-ed形式的区别及时态一致。missing和missed两词区别颇大，前者为形容词，表示“(人或物)下落不明，失踪的”。missed是过去分词形式，与be动词连用，为被动关系，表示“被错过的”，依句意，此处应取“失踪的”这一含义，因此B和C都不合题意。另外，由句中的时间状语for two days now可确定用现在完成时，因此选项A正确。

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