how many locations does the company have offices in?in为什么放在最后?

问题描述:

how many locations does the company have offices in?in为什么放在最后?
顺便麻烦讲解下句子的结构.感激不尽

公司在多少位置上有办公室?问的是“location”,要提前,in是介词在定语从句中提前