My Mum has worked in this school for over 20 years.My Mum ha

My mother has worked in this factory 2 years. 16.He has worked in this school for many years,_______ he?A. My grandfather r---- after he worked for over 30 years She has worked in the school for three years My uncle has worked in Beijing for more than twenty years.同义 Mum,this is my teacher,Miss Li my,this,Jim,is,friend,mum,good "Mum,this is my friend Eric."、“And Eric ,this is my Mum,Mrs My grenny has been in Beijing for 〔more than/over〕3years is she my mum I Love My Mum my grandfather has exercised for over ten years同义句