what is this kind of coat made of it is made of () A cotton B woo_英语解答

what is this kind of coat made of it is made of () A cotton B woolen为什么不选B,只因B是形容词吗

人气：175 ℃　时间：2020-02-04 23:23:59

解答

be made of ,用.制成,所以要加材质,cotton是棉的意思,所以选A.B如果改为wool就可以选.