Stone is all around us.Stone is usually very hard,46 it can also be soft.Stones have many us

分类: 作业答案 • 2021-12-31 11:57:41

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答

Stone is all around us. Stone is usually very hard, （ but ）it can also be soft. Stones have many uses.
石头存在于我们的周围.它们通常都很硬,但它也可以是软的.石头有非常多的用处.