题目

every day,our teachers come to school very early.but they go backs home very late
every day,our teachers come to school very early.but they go《 backs 》home very late.
这里back为啥要加s?

提问时间：2020-07-27

答案

确切的来说,“go”后加“to do sth.”or "doing sth."or "n."所以加“s”是不可能的,l楼主可以再检查一遍是否看错,或者也有可能是题目出错了.