Our school (not change) since I left 用正确形式填空

问题描述:

Our school (not change) since I left 用正确形式填空

has not changed
It's been ten years since they married.
他们结婚到现在已经十年了.
She has been living a hard life since her husband died.
她自从丈夫死后,一直过着艰苦的生活.