He had lost his temper and his health in the war and never find ( )of them again.

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

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.