After the lunch ,I was watching TV when the phone rang.It was one of my clas

这个句子有错吗

有，参考如下：
I was watching TV after lunch, when suddenl the phone rang. It was one of my classmates.

午餐前不用the

百度教育团队【海纳百川团】为您解答

没错

有

你好！ 直接after lunch 就可以，不需要加the 如果对你有帮助，望采纳。