They began to think about what use could be such materials.A. made upB. made fromC. made

发布时间：2020-08-16 14:25:16

They began to think about what use could be      such materials.
A. made up
B. made from
C. made of
D. made out

网友回答

A. made up
B. made from
(答案→)C. made of
D. made out
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