题目内容：

He could look after himself when he was only six保持原意

优质解答

He could look after himself when he was only six
=He could take care of himself when he was only six
look after=take care of 照顾

追问：

He could look after himself----- the----of six。。要是改成这样呢？

追答：

He could look after himself at- the-age of six