Mother asked her if she was very hot with so many clothes on中为什么要加on?
问题描述：
Mother asked her if she was very hot with so many clothes on中为什么要加on?
答
词组put on the clothes, on 表明衣服已经在身上
答
put on 是片语 固定搭配。
答
有具体的物品,必须加on
如果没有on,句子不对
答
on标示当时的状态