my mother works from morning to night 与my mother worked from the morning to the night today.

问题描述:

my mother works from morning to night 与my mother worked from the morning to the night today.
第一句话加the 可以吗. 第二句正确否?
帮我解释下,谢谢

第一句是对的,第二句去掉两个“the”,意思:句1、我妈妈工作从早到晚(第一句有today吗?)句2、我妈妈今天工作从早到晚