同义句转换：They are both good at playing the violin.()()()are good at playing the violin.
题目
同义句转换：They are both good at playing the violin.()()()are good at playing the violin.
给错题了，正确：同义句转换：They are both good at playing the violin.()()()（）are good at playing the violin.
答案
Both of them
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