选择一个句子朗读  低年级   中年级   高年级 

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I am a bird. The wise man told him as he had told the oldest brother. There was once a poor woman who had two children. Whenever I make a mistake, you are always there to erase it. 换句子 Once there was a scientist. He waited long, but no one came back. He helped the boy out of danger. The mother put the rose in water.

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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