It's (say)that he got good grades last year填什么

It's (say)that he got good grades last year填什么
It's (say)that he got good grades last year填什么

It's (say)that he got good grades last year填什么
填 said
注：it's said that ... 固定用法‘ 据说……’

said 填过去分词 就可以了