◎ 题干
The reporter said that the UFO _____ east to west when he saw it.

A. was traveling
B. travelled
C. had been traveling
D. was to travel
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“The reporter said that the UFO _____ east to west when he saw it. [ ]A. was traveling B. travelled C. had been traveling D. was to travel …”主要考查了你对  【过去进行时】  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。