搜索结果: 请分析:As many girls as he knew were teachers.As many girls as he knew were teachers. 老师,帮我分析一下句子成分。谢谢! 句子的主语问题 Parents and teachers try to change children's minds but are not successful.句子中的are的主语是谁?Parents and teachers try to change children's minds but are not successful.句子中的are的主语是谁?