问题
选择题
Mary is crazy _______ playing the piano.
A．at
B．in
C．about
D．of
答案
答案：C
考查介词用法。由短语Be crazy about doing sth. 做某事着了迷可知答案。
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Mary is crazy _______ playing the piano.
A．at
B．in
C．about
D．of
答案：C
考查介词用法。由短语Be crazy about doing sth. 做某事着了迷可知答案。