问题描述：
learn by oneself
顺便帮忙同义句转换下
同义句转换 My sister taught herself japanese when she was 15.
My sister ( ) Japanese ( ) ( ) when she was 15.
顺便帮忙同义句转换下
同义句转换 My sister taught herself japanese when she was 15.
My sister ( ) Japanese ( ) ( ) when she was 15.
问题解答：
我来补答展开全文阅读