the boy is so young that he can‘"t look after himself 改为同义句

the boy is so young that he can‘"t look after himself 改为同义句
the boy is so young that he can‘"t look after himself 改为同义句

the boy is so young that he can‘"t look after himself 改为同义句
the boy is too young to look after himself

The boy is too young to look after himself.

the boy is too young to look after himself.
the boy is not old enough to look after himself.

The boy is so young that he can not look after himself.
The boy is not old enough to look after himself.