◎ 题干
Our physics teacher told us that light _______ faster than sound.

A. travel
B. travels
C. is travelling
D. has travelled
◎ 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“Our physics teacher told us that light _______ faster than sound. [ ]A. travel B. travels C. is travelling D. has travelled …”主要考查了你对  【实义动词的单数第三人称形式】  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。