1.He had demanded money from/of her.2.They failed to provide the information demanded from/of them 3.It is a discipline
问题描述：
1.He had demanded money from/of her.2.They failed to provide the information demanded from/of them 3.It is a discipline we must demand from/of ourself.demand of 还是demand from?两者有什么工作?
答
from 指向某人索取某物（如物品,就是第一句） of 指从索取与某人有关的某物（如信息,服从,就是第二句） 服从有点难理解,给个例句吧 His parents demanded obedience of him.他父母要求他服从