He had lost his temper and his health in the war and never find ( )of them again.为什么是either?不能是each
问题描述：
He had lost his temper and his health in the war and never find ( )of them again.
为什么是either?不能是each
答
因为是否定啊 还是两者
答
这是两者，either两者中任一个
each 依次每个
答
either 用于否定及疑问句中,each用于肯定句中.句子里的never表示否定的含义,所以应用either.
答
either 用于否定，因为句中有never，为否定形式，只能用either。each用于肯定形式。.