she----(not finish)---(do) her homework until her parents return home

问题描述:

she----(not finish)---(do) her homework until her parents return home

这个until 的用法
习惯上是主句从句过去式最多
然后,也是状语从句,遵从主将从现
此句,由于从句是一般现在时,因此,主句是将来时或一般现在时均可
doesn't finish
won't finish