◎ 题干
_____ with the studies of all his students Mr. Johnson went to school as soon as he finished the meeting.

A. Concerning
B. Concerned
C. To concern
D. Being concerned
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_____ with the studies of all his students Mr. Johnson went to school as soon as he finished the meeting. [ ]A. Concerning B. Concerned C. To concernD. Bei…”主要考查了你对  【过去分词】  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。