◎ 题干
He described where they____________ and told how they________across
the United States.  
[     ]
A. landed ;  moved  
B. land ;  move  
C. had landed; were moving  
D. have landed; are moving
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He described where they____________ and told how they________across the United States.[ ]A. landed ;moved B. land ;move C. had landed; were moving D. hav…”主要考查了你对  【过去进行时】【过去完成时】  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。