he has two sons,one of them works as a teacher 那里语法错误

题目

he has two sons,one of them works as a teacher 那里语法错误
那把one改成both对吗，

答案

问题补充：
那把one改成both对吗,?
BOTH of them works（S去掉） as teacherS
这样一来,改得太多了.
he has two sons,one of whom works as a teacher
应该用定语从句.