“He said goodbye to everyone be knew before he left the city everyone ”后省略的现行动词是什么?

that我想你可能打错了一个字母He said goodbye to everyone（that） he knew before he left the city 这里只能用that,因为有一个定语从句的规律：当先行词是everyone ,anyone,someone.时,只能用that引导希望对你有...