I want to know where this gas box was shipped to

问题描述:

I want to know where this gas box was shipped to
这句话中句尾的to要加吗?还是直接说I want to know where this gas box was shipped?
类似的can you tell me where you will go 这句话句尾不加 to
where 引导的陈述句要介词吗?

不用加,where,here一类为副词,动词后面可以直接跟副词.where引导的状语从句动词不加介词.