----about her son's safety,she made several calls as well as

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____about her son's safety,she made several calls as well as sending him some messages.A.ConcerningB.ConcernedC.Having concernedD.To concern求详解

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香蕉红牛

辛勤的冬日

2026-08-14 12:36:46

选B,这道题中有个固定短语be concerned about,题目中用concerned,就是用形容词做状语。

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  • 淡定的悟空
    回复
    2026-08-14 12:36:46

    选B,这道题中有个固定短语be concerned about,题目中用concerned,就是用形容词做状语。

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