1. When the professor came the students had already finished the test.
2. The old lady was watching TV when the telephone rang.
3. Yesterday at 5 o’clock they were playing football.
4. The girl had never heard that song before the concert.
5. The pilot had finished his flight by 3 o’clock yesterday.
6. I was standing near the window when I heard a terrible noise.
7. It was raining when you called me.
8. Last spring the flood destroyed half of the town.
9. They ? (не указан глагол) yesterday at 6 o’clock.
10. When she came to the station, the train had already left.
