shortly after he knew some english ,he went on ____(teach) himsely french
问题描述：
shortly after he knew some english ,he went on ____(teach) himsely french
答
to teach
go on doing sth 继续做某事,前后是相同的事情.
go on to do sth 继续做某事,前后是不相同的事情.
先学英语,有学习法语,是不同的事情.