语法：It is said that ____ was all ___ he said.

It is said that that was all that he said.
句中有三个that
第一个引导said的宾语从句,第二个是宾语从句的主语
第三个引导all的定语从句
要分清每个that的作用

第二个that是定语从句，指代all
前一个空填that是作主语。