There uesd to be a school here ,------ A usen't there Bdidn'

There uesd to be a school here ,------ A usen't there Bdidn' there uesd to be (be)some small coal mines(煤矿)here,didn't th () There used to be a school here,___? There used to be a tower here,___?A.usedn't it B.used there There uesd to be a lot of chemical plants in the south,but m there used to be a church here ,----? There used to ____(be) a theater here ,didn't there? there used to be a reastaurant here 与there used to be here a there used to be a reastrant here 与there used to be here a r There used to be a tall tree here,usedn't it?(哪里错了?） there used to be a big bridge near here,反意疑问是didn't there 还是 there used to be a cinema here before the war , ------------