Jack says,"I don't know the new teacher's name.“改为间接引语Jack says_____ _____know the teacher's
问题描述：
Jack says,"I don't know the new teacher's name.“改为间接引语Jack says_____ _____know the teacher's
答
he doesn't为什么不用don't？he doesn't know the new teacher's name是个完整的句子，作say的宾语从句，既然是句子，当然要遵守句法规则，第三人称单数嘛