◎ 题干
Mr Brown had lain ____ the ground ____ four hours before they finally found him.
[     ]
A. on; for
B. at; in
C. on; after
D. in; during
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“Mr Brown had lain ____ the ground ____ four hours before they finally found him. [ ]A. on; for B. at; in C. on; after D. in; during …”主要考查了你对  【介词】  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。