The factory is the one （that） we visited last week为什么一定要用tha

The factory is the one （that） we visited last week为什么一定要用tha is this factory that we visited last week,为什么在that 前加the one Is this factory the one you visited last week.为什么THAT不可以替换 T This factory is ______ the one we visited last week.正确答案是the Is this factory (the one)I visited last week . This is the factory where we visited last week. Is this the factory _____ we visited last week? （单选）Is the factory ( )we visited last week?A.thatB.whereC.wh Is this factory the one you visited last Sunday,为什么要用the one Is this factory the one you visited last week.这里只能用the one,不 Is the factory --------we visited last year Do you still remember the factory that we visited last week?