题目内容
【题目】The countries have been ______ for more than a century.
A. at rest B. at war
C. at table D. at school
【答案】B
【解析】考查词组。A. at rest 静止,休息; B. at war在交战状态中;C. at table在进餐;D. at school在学校。句意:这些国家已经交战了一个多世纪。可知答案为B。
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