问题
选择题
17. Our attention was drawn to the eight-year-old girl who was _______ perfectly at the piano.
A．acting
B．behaving
C．performing
D．doing
答案
答案：C
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17. Our attention was drawn to the eight-year-old girl who was _______ perfectly at the piano.
A．acting
B．behaving
C．performing
D．doing
答案：C