1. When you called i was taking a shower.
2. Where you sleeping when i called? you shounded drawsy.
3. I was sleeping when someone knocked at the door.
4. I was waiting for him all day.
5. I was trying to fix it.
6. It was showing all night.
7. They were laughing.
8. In the worning our elevator was not working.
9. I was drinking coffee.
10. What were you doing at 8 a.m.?
11. We were travelling.
12. She was watching TV in the afternoon.
13. Kate was studying history in summer.
14. They were living in China for 3 months.
15. Were you talking?