Both of them haven't read this story.Both of them haven’t read thisstory.并非他们二人都看过这个故事.= — one of them ----- read this story.两个空,该填什么

I haven't seen both of them和I haven't seen either of them.有什么区别 Both of them haven't read this story.Both of them haven’t read thisstory.并非他们二人都看过这个故事.= — one of them ----- read this story.两个空,该填什么 --- Have you seen Tom and Mary?--- I haven't seen ___ of them.为什么只能填both,不能填either.both和either的区别 both them还是both of them?为什么? both of them翻译 英译汉：I don't like both of them. Both of them I don't want to choose!中文 Both of them are student.否定句 them isn't student.Both of them are student.否定句 （ ）（ ）them isn't( ) student. ___ haven't been to American.A.Most them B.Most they C.More of them D.Most of them Both of them a student jim and his cousin haven't been to london,but_____of them know them know the city very well.A neither B either C both Dall i don't like both of them与 i don't like either of them 有什么区别? both of them both them both of their parents both their parents 的区别? 为什么不是both them而是both of them I met them both.=I met both of them. Neither of them is at home这句话能不能这样说：Both of them aren't at home. The two erasers on sale are bad ,so i don't buy_.A.either of them B.both of them i don't like either of 和i don't like both of them意义是否一样?i don't like both of them并不是他俩我都喜欢。这里的not是部分否定，否定的是both.