选择一个句子朗读  低年级   中年级   高年级 

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You just fly into the sky; the whole sky is yours. Waited for Frank to come back. And do not let anyone untie the chain. He looked down his nose at it. 换句子 There was one in Bill's house. The door was open. Truly, this is the way of mankind. There is a great kingdom under the sea.

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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