题目内容：

连词成句,books ,what,made,are,
回答对的我再加分！我是这样连的：what are of made books?

优质解答

what are of made books?绝对错.
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下面这个是对的.不信问老师吧.
What are books made of?
书本是有什么制造而成的?
回答可以是：Books are made of wood.
书是由木材制造而成的.
be made of 由.制造而成（made 是make 的被动时 ）