Odpowiedź:
He was sleeping when the doorbell rang.
2. We ate dinner at 8pm last night (we started eating at 7:30).
3. Yesterday I went to the post office, bought some fruit at the supermarket and was ridding a book in the park in the afternoon.
4. We were watching TV when we heard a loud noise.
5. Julie was in the garden when Laurence arrived.
6. A: What were you doing at 3pm yesterday? B: I was cleaning my house.
7. Last year I was visited Paris and Rome.
8. They were having dinner when the police came to the door.
9. He was working in the garden when he found the money.
10. Laura was studing at 11pm last night.
11. I was walking along the road when I met an old friend.
12. It was a day in December. Snow was falling, children sang carols and people were doing their Christmas shopping.
13. My ex-boyfriend was so annoying! He always missed the bus and arrived late.
14. When I called Julie, she was working.
15. Why were you crying when I arrived?
16. When he got home, we started to eat dinner.
17. At 10am yesterday I was sitting on a bus.
18. I was enjoyed my book so much that I didn't noticed the train had stopped.
19. David wasn't sleeping when I arrived, he was studied!
20. Mr Black wasn't working in the garden at 10pm last night.