6. Philip was washing the car while the fire started. ................ => When...................
7. Neil was studying when his sister was listening to music. ................. => While..................
8. Harriet was opening the door and walked into the house. .........=> opened..........................
9. We were having lunch at a lovely restaurant every day when we were on holiday. ..........=> had...............
10. Brian drank tea at five o’clock yesterday afternoon. ............. was drinking......................
11. Dad was repairing the TV while Mum cooked dinner. ...............was cooking....................
12. I was going to the cinema last Saturday. ........went...........................
13. I was buying a new dress for my party yesterday. .......... bought.........................