求大神解释could you tell me where you bought the cool coat?是对的

问题描述:

求大神解释could you tell me where you bought the cool coat?是对的
而could you tell me where did you buy the cool coat?却是错的 语法点是什么?在线等!

宾语从句!后面的从句要用陈述句.不能还用疑问句,这是初一学的东西