按照图片给下列句子排序。
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（ ）And the river were small and dirty.
（ ）The house were small and old.
（ ）In the old days, Henglan was a poor town.
（ ）The house are big and new.
（ ）Now Henglan is a beautiful town.
（ ）Look at the rivers, they are very big and clean.
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