题目

______that he has made of the kind of metal____ known. A. Little use; is   B. Many uses; are C. Full used; are   D. A use; is 答案：A 解析: ：答案为A. that he has made of the kind of metal 是定语从句，use 在从句中作made的宾语，构成make use of 短语。

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