1. came/was having
2. returned / was listening
3. entered / was drawing
4. came / was doing
5. was airing / caugh
6. met/was going
7. was washing / knocked
8. were dancing/came
9. was washing / broke
10. didn't open
11. was hurrying / met
12. translated
13. was finishing
14. asked
15. wrote
16. came/saw/was playing
17. was/decided
18. saw/didn't recognize
19. was/was preparing
20. was washing / was sweeping
вроде так))