The boy is very young .So he can't go to school.(合并为一句）
问题描述：
The boy is very young .So he can't go to school.(合并为一句）
答
The boy is too young to go to school .或者The boy is so young that he can't go to school .
答
The boy is too young to go to school.
这个男孩年龄太小不能去上学。
答
The boy is too young to go to school.