英文填空题,关于Neither和either
问题描述：
英文填空题,关于Neither和either
Mickey Mouse has two sisters.One is Helen ,the other is Mary,______of them were about 25.
A.Neither B.Both C.All D.Either ,我看答案说,根据“were”排除A,和D选项,是为什么?
答
因为 neither 没有一个（否定）,either 是任何一个（肯定）,都是说“之一”,所以要用单数.
而 were 是复数形式,所以要选B Both