◎ 题干
Go back home now, Mary. Your parents ______ your safety.
A.are concerned about B.are concerned with
C.are concerned on D.concern of
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据魔方格专家分析,试题“Go back home now, Mary. Your parents ______ your safety.A.are concerned aboutB.are concerned withC.are concerned onD.concern of…”主要考查了你对  【动词短语】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。