Which is the way to the post office为什么是陈述句?

祈使句!
please show me Which is the way to the post office
请告诉我去邮局的路。
Which is the way to the post office是宾语从句,宾语从句的从句要用陈述句语序。因为原问句的疑问词作主语,所以看起来语序不变
疑问句的标志,句首第一个单词是疑问词Which、what、where、when等,以问号结尾,句式结构是主谓相对于陈述句来说是颠倒的。