问题
选择题
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
答案
答案：D
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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
答案：D