题目内容
He is the only one of the students who _______a winner of scholarship for three years.
A. is B. are C. have been D. has been
D
解析:
D这是一个定语从句。在one前是否有定冠词决定定语从句中的谓语动词的单复数形式:one of the students中的先行词是the students,定语从句中的谓语动词要用复数形式。the only one of the students中的先行词是the only one,定语从句中的谓语动词要用单数形式。又因“for three years”是完成时的标志。
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