I bought a clock in a shop on last sunday afternoon.这句有错误,书上说去掉ON,为什么?

来源：学生作业帮助网编辑：六六作业网时间：2024/07/15 05:21:57

Iboughtaclockinashoponlastsundayafternoon.这句有错误,书上说去掉ON,为什么?Iboughtaclockinashoponlastsundayafternoo

I bought a clock in a shop on last sunday afternoon.这句有错误,书上说去掉ON,为什么?
I bought a clock in a shop on last sunday afternoon.这句有错误,书上说去掉ON,为什么?

I bought a clock in a shop on last sunday afternoon.这句有错误,书上说去掉ON,为什么?
就是这样的,没有为什么