______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
______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
A
：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。