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Do you know_________books are made? A.what B.why C.which D.how

分类: 作业答案 • 2022-01-09 18:01:33

问题描述：

Do you know_________books are made? A.what B.why C.which D.how

答

A what
what ..be made 由什么材料制成的
不明白的再问.