改错:The 12-year-old boy is old enough to look after him.The 12-year-old boy is old enough to look after him.
问题描述:
改错:The 12-year-old boy is old enough to look after him.
The 12-year-old boy is old enough to look after him.
答
The 12-year-old boy is old enough to look after himself.应该是这样改吧