He said maybe David was angry with me and that I had better find another friend.中that的意义和作用

问题描述:

He said maybe David was angry with me and that I had better find another friend.中that的意义和作用
原题是改错题,答案说and后面缺少一个that,如果是接宾语从句为何不能省略that?

that是引导宾语从句,做said的宾语.和maybe David was angry with me 一样的语法成分,maybe前的that省略了,and后的that不能省.