问英语句子.How long does it take to get to school?这个句子中为什么用it

问英语句子.How long does it take to get to school?这个句子中为什么用it How long does it take to get to school为什么要用take to.get to? how long does it take you to get form home to school?为什么用doe How long does it take you to get to school How long does it take Tony to get to school. How long does it take you to get to school? How long does it take to get to school为什么要加take? how long does it take you to get from home to school 为什么加to how long does it take you to get from home to school?句中to ge How long does it take you to get from home to school?请问这里为什么 连词成句（英语）：to,school,get to,does,how long,take,it. ① How long does it take to get to school?②It takes me ten mi