试题 试卷
题型：单选题 题类：常考题 难易度：普通
江苏省宿迁市宿豫区2019-2020学年八年级上学期英语期中考试试卷
—Great! I have never seen a _____ one．
—I agree. For example, I can communicate with my friends on WeChat any time.
—Yes. But light travels _ sound.
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