题目内容
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
C
解析:
因为此题是make use of (利用) 的被动式。
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题目内容
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
C
因为此题是make use of (利用) 的被动式。