I want to know_______ A Where is the post office B where the post office is 为什么不选A,解析翻译下

问题描述:

I want to know_______ A Where is the post office B where the post office is 为什么不选A,解析翻译下

I want to know后面是宾语从句,所以不能用疑问句语序,选B