He said.He is a good student合并
问题描述：
He said.He is a good student合并
答
He said (that) he was a good student.
答
He said he is a good student.应该这么也行
答
间接引语,建议去百度百科搜索这个知识点,讲的很详细的,所以是：
He said that he was a good student.