Billandhisfamilyhasbeenlivinginthesix－familybuildingfor...
问题详情：Billandhisfamilyhasbeenlivinginthesix－familybuildingforyears.Alltheneighboursgotalongfairlywellwitheachotheruntilrecently.Anoldmanandhiswifeusedtoliveonthesecondfloor.Bill’smotherandtheoldlady...