He is good at Japanese.（改为同义句）
问题描述：
He is good at Japanese.（改为同义句）
答
He is apt at Japanese
答
He does well in Janpanese.
He is clever at Janpanese.
祝你学习进步，更上一层楼！(*^__^*)
有不会的可以再问我:）
答
He does well in Janpanese.