问题
选择题
He is ______ outstanding student from ______ university in America. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案
答案：C
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He is ______ outstanding student from ______ university in America. [ ]
A. a; a
B. a; an
C. an; a
D. an; an
答案：C