my mother said,“The earth goes around the sun”.改成间接引语,

问题描述:

my mother said,“The earth goes around the sun”.改成间接引语,

My mother said that the earth goes around the sun.
goes不用变为went,因为地球围绕太阳转是一种自然规律。

My mother said that The earth goes around the sun.
因为妈妈说的是一个事实存在 是不变的 所以后面的时态用一般现在时