she didnot say goodbye to us before she left .再动名词进行同义句转换
问题描述：
she didnot say goodbye to us before she left .再动名词进行同义句转换
答
Before leaving， she didn't say goodbye to us
答
she did not say goodbye to us before leaving
答
she left without saying goodbye to us.
答
before leaving she did not say goodbye
答
She left without saying goodbye to us.