◎ 题干
The countries have been _____ for more than a century.
[     ]
A. at rest
B. at war
C. at table
D. at school
◎ 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“The countries have been _____ for more than a century. [ ]A. at rest B. at war C. at table D. at school …”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。