◎ 题干
_____ years ago, very large animals called dinosaurs _____ in some areas of the world.
[     ]
A. Many million; have been living
B. Million; had lived
C. Several millions of; are alive 
D. Millions of; lived
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“_____years ago, very large animals called dinosaurs _____in some areas of the world. [ ]A. Many million; have been living B. Million; had lived C. Several …”主要考查了你对  【基数词】【一般过去时】  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。