Răspuns:
1. rang
2. we were having
3. told
4. were sitting
5. was invented
6. said
7. say
8. used to
9. were made
10. was doing
11. did you do
12. were employed
13. face to face
14. Were you listening
15. development
16. were ... domesticated
17. were ... doing
18. along
19. were carved
20. on
Explicație:
