is this factory(the one)we visited last year怎么知道他缺少表语?

is this factory(the one)we visited last year怎么知道他缺少表语? is this factory___we visited last year答案是the one怎么知道他缺少表语?表语 Is the factory --------we visited last year 应选什么?is this factory----you visited last year?A .the one B.t Is this factory _____you visited last year?A.where B.the one is this factory----you visited last year?A .the one B.that C This factory is ______ the one we visited last week.正确答案是the is this factory that we visited last week,为什么在that 前加the one Is this factory (the one)I visited last week . Is this factory the one you visited last week.变成陈述句怎么变.是This This is the factory where we visited last week. Is this the factory _____ we visited last week?