—Do you know sound travels very fast? —Yes. But light travels ________ sound. A. as fast as B. a lit...
2022-10-30 00:12:16 171次 人教版九年级英语 unit3 第6课时（sectionB 3a-selfcheck）测试 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
—Do you know sound travels very fast?
—Yes. But light travels ________ sound.
A. as fast as B. a little faster than
C. much faster than D. slower than
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