1. Is this the factory _ you visited the other day?A. that B. where C. in which D. the one2. Is this factory _ some foreign friends visited last Friday?A. that B. where C. which D. the one3. Is this the factory _ he worked ten years ago?A. that B. where C. which D. the one4. The wolves hid themselves in the places _couldnt be found.A. that B. where C. in which D. in that5. Here is so difficult a question _.A. that no one can answerB. which nobody can answe
