The scientists are now trying to discover what use could be such material.A. made out　　B.

发布时间：2020-08-17 11:59:33

The scientists are now trying to discover what use could be      such material.
A. made out　　
B. made up　　
C. made of　　
D. made from

网友回答

A. made out　　
B. made up　　
(答案→)C. made of　　
D. made from
解析：因为此题是make use of (利用) 的被动式。.
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