问题
完形填空
After many years' hard work, she now is pleased ________ playing almost all kinds of music.
答案
at
句意：许多年的辛勤努力之后，她现在几乎能熟练地表演各种音乐。
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After many years' hard work, she now is pleased ________ playing almost all kinds of music.
at
句意：许多年的辛勤努力之后，她现在几乎能熟练地表演各种音乐。