◎ 题干
There was________time________Iraq was one of the richest countries in the world.
[     ]
A.a;when  
B.a;that
C.the;that
D.the;when
◎ 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“There was________time________Iraq was one of the richest countries in the world.[ ]A.a;whenB.a;thatC.the;that D.the;when…”主要考查了你对  【不定冠词】【关系副词】【限制性定语从句】  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。