there are a lot of person in the hall 哪错了
问题描述：
there are a lot of person in the hall 哪错了
答
of 后面名词要用复数
person复数persons谢谢，那答案给的是把person改成people啊 为什么呢people是集合名词，专指人群人类，所以这儿用更好那也就是说persons也是对的哈嗯，persons也是对的