I don't like the clothes that____ woolen.用be made of/from的正确形式填空

问题描述:

I don't like the clothes that____ woolen.用be made of/from的正确形式填空

are made of
clothes 是一个没有单数形式的复数名词
be made of 由.做成 (看得出原材料
be made from 同上 (看不出原材料
为什么选OF就是因为如果你看不出原材料这句话是怎么来的呢?你怎么知道它是羊毛做的……