◎ 题干
_____ that he might be hit by other cars, Peter put a card on the back of his car reading
"Caution-Newly Licensed".
[     ]
A. Concerned
B. Concerning
C. Having concerned
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“_____ that he might be hit by other cars, Peter put a card on the back of his car reading"Caution-Newly Licensed".[ ]A. Concerned B. Concerning C. Having c…”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。