问题
选择题
He is ____ university student, but ____ unlucky one. [ ]
A. a, an
B. an, an
C. an, the
D. a, the
答案
答案：A
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He is ____ university student, but ____ unlucky one. [ ]
A. a, an
B. an, an
C. an, the
D. a, the
答案：A