1. When Tony arrived, everyone had left. The house was empty. 2. I knew there had been an earthquake but I didn\'t realise how bad until I saw the news on TV. 3. She was sleeping when she heard a strange noise. 4. I woke up late and the house was empty. Mum had already gone to work. 5. He saw his aunt last week. He had not seen her for two years.6. When Uncle Dave\'s train arrived at the station, everyone was waiting there for him.