问题
选择题
Her daughter began to play _______ piano when she was five. Now she's very good at it.[ ]
A. an
B. a
C. the
D. /
答案
答案：C
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Her daughter began to play _______ piano when she was five. Now she's very good at it.[ ]
A. an
B. a
C. the
D. /
答案：C