◎ 题干
Don't be worried about his safety. _____, he is an eighteen-year-old young man.
[     ]
A. In all
B. After all
C. Above all
D. First of all
◎ 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“Don't be worried about his safety. _____, he is an eighteen-year-old young man. [ ]A. In all B. After all C. Above all D. First of all …”主要考查了你对  【介词和介词短语】  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。