Is this the factory__ his father visited last

Is this the factory__ his father visited last is this factory___we visited last year is this the factory__ is this the factory_________you visited last Sunday Is this the university_________you visited last time? this is the place____we visited last year Is this the museum( )they visited last month? this is just the place ( )we visited last year. this is the village ------ we visited last year 填代词 This is the factory where we visited last week. Is this the factory _____ we visited last week? -Is this the place ____ you visited last year?( ) 1.IS this the exhibition___the foreign visitors visited last