选择一个句子朗读  低年级   中年级   高年级 

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He ran for help. It will end up being the one that would never be answered. An old man happened to walk by the pond. So the girl threw her clothes out of the window. 换句子 The girl looked out. Then he looked up and saw the girl at the top of the pagoda.

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上万句子 孜孜不倦 每天坚持让孩子练10个句子

一年掌握1000个单词 相当于看了20本英语书