变同义句：She is quick at learning foreign languages.
问题描述：
变同义句：She is quick at learning foreign languages.
She is_____ ＿＿＿ ＿＿＿foreign languages.
答
应该填写
good at learning
be good at doing sth 擅长于做某事
她学外语非常快,也就是她擅长于学习外语
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