题目内容：

he is the only oine of the sons in the family who( )received high education.
A.are B.is C.have D.has

优质解答

选择D
“他是家里孩子中唯一受过教育的一个”
定语从句中谓语的单复数与先行词保持一致,这里who.修饰限定one,one是先行词.
完成时态,have+过去分词