◎ 题干
Don't trouble about things that don't _________ you.
[     ]
A. concerning
B. concerned
C. be concerned
D. concern
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“Don't trouble about things that don't _________ you.[ ]A. concerningB. concernedC. be concernedD. concern …”主要考查了你对  【固定搭配】  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。