Is this the factory---------we visited all my life.

Is this the factory---------we visited all my life. Is this the factory( )we visited yesterday? we visited the factory ---I have visited all my lost? This is the factory where we visited last week. Is this the factory _____ we visited last week? This is the factory (that/which)we visited yesterday. Is this factory( )we visited yesterday? This is the best factory ___I have worked all my life的答案和讲解 This is factory the one you visited. Is the factory --------we visited last year This is the factory we visited yesterday morning and is the 定语从句求大神讲解This is the factory----we visited last yearThis is