1. surfed, found
2. was leaving, heard
3. saw, were driving
4. started, were waiting
5. was writing, went out
6. was tidying, found
7. was cycling, got
8. was sleeping, left
9. was leaving, gave
10. were practicing, called
11. were writing, came
12. was putting, saw
13. was working, rang
Объяснение:
