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英语
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It's_common knowledge that light travels faster than sound
A.a B.an C.the D/
人气：210 ℃ 时间：2020-04-10 08:23:19
解答
D
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It's known to all that___light travels faster than__sound.
it ＿to all that light travels faster than sound A
英语翻译
light travels at a speed which is about a million times faster than that of sound.
Our teacher told us that light travels faster than s_____.
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