1"其他的什么人"用someone else
个人觉得只是习惯用法,这里等同于another person
2every一词后面一般要接个名词,如every student,every morning...
而each可以单独使用,这里each one=each
3A
这是个很常见的习惯用法.相当于 Mr Jhon hates staying alone at home all day long
如 I really hate it when others talk about my hair=I hate others talking about my hair
个人鄙见,仅供参考.