1. was sitting, thinking, was opened, hadn't seen, entered
2. told, learnt
3. knew, spent
4. saw, had left
5. were speaking, heard
6. had been cleaning, came
Объяснение:
1. was sitting, thinking, was opened, hadn't seen, entered
2. told, learnt
3. knew, spent
4. saw, had left
5. were speaking, heard
6. had been cleaning, came
Объяснение: