what is CD made from?

what is CD made from? what is CD made of? What is the paper A.make of B.make from C.made for D.made fr 请问what materials is it made from?里的from应该加上吗? 用is made from造句 B___ is made from milk Paper is made from _______. What is the Chinese Tang costume made （）?Silk.A:of B:from 选哪 What is the best paper made from,according to the writer?翻译一 what made is it翻译 What is made of alveoli What is it made of?