Ответ:

1. got, had already started
2. was dreaming
3. saw, was crossing
4. was lying, was weeding
5. sent
6. was dusting, broke
7. had never been
8. were studying, went
9. had not rung, was late
10. were not sleeping, returned
11. did they visit
12. was writing
13. did not pay, did not pay
14. went, was shining, was
15. had never seen
16. Did Simon and Alice get
17. was rollerblading, phoned
18. did you spend
19. were sitting, heard
20. had packed

Ответ:

1. got, had already started 2. was dreaming 3. saw, was crossing 4. was lying, was weeding 5. sent 6. was dusting, broke 7. had never been 8. were studying, went 9. had not rung, was late 10. were not sleeping, returned 11. did they visit 12. was writing 13. did not pay, did not pay 14. went, was shining, was 15. had never seen 16. Did Simon and Alice get 17. was rollerblading, phoned 18. did you spend 19. were sitting, heard 20. had packed