1. She was speaking with a girl when you met her in the street. 2. You were hurrying to the theatre when they met you yesterday. 3. The boat was sailing when we arrived at the river-port. The bus was waiting for a group of tourists at 10 o’clock a.m. yesterday. 5. They were planning to make a voyage up the Dnieper when I came home. 6. He was reading a book when they knocked at the door.