问题
选择题
He is _____ actor. It's _____ exciting job. [ ]
A. a; an
B. an; an
C. an; a
D. a; a
答案
答案：B
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He is _____ actor. It's _____ exciting job. [ ]
A. a; an
B. an; an
C. an; a
D. a; a
答案：B