题目内容：

mari is a girl full of questions.she always asks her mother()
答案是who is the greatestman in the world.why?who the .is?

优质解答

Mari is a girl full of questions. She always asks her mother (who is the greatest man in the world.)
因为【宾语从句who is the greatestman in the world】中的who在宾语从句中【做主语】,这个句子是【陈述语序】