题目内容
12. He is the only one of the students who a
winner of a scholarship for three years.
A. is B. are
C. have been D. has been
12. D
12. D解析:who引导的定语从句的谓语 动词应该与其先行词在人称和数上保 持一致。one被the only修饰,所以定 语从句的谓语动词用单数形式;由“ for three years”可知应用现在完成时。
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