1. Did they go to Germany last winter? Did they go to Germany or to Italy last winter? Who went to Germany last winter? Where did they go last winter? They went to Germany last winter, didn't they? 2. Does he usually get up at two o'clock? Does he usually get up at two or at three o'clock? Who usually gets up at two o'clock? When does he usually get up? He usually gets up at two o'clock, doesn't he? 3. Are we discussing a new book at the moment? Are we discussing a new book or a new film at the moment? Who is discussing a new book at the moment? What are we discussing at the moment? We are discussing a new book at the moment, aren't we? 4. Will the mother cook a cake tomorrow? Will the mother cook a cake or a pizza tomorrow? Who will cook a cake tomorrow? What will the mother cook tomorrow? The mother will cook a cake tomorrow, won't she? 5. Have they known each other for a long time? Have they known each other for a long or short time? Who has known each other for a long time? How long have they known each other? They have known each other for a long time, haven't they?