Odpowiedź:
1. Angela hadn't studied English before she visited London.
2. By the time l finished school yesterday it had got dark outside.
3. How long had you had your bike when somebody stole it?
4. When we arrived at the cinema the film had already started.
5. I had just arrived at the party when it finished.
6. Kayla was tired because she hadn't slept well.
7. Chiara had never seen a volcano before she went to Indonesia.
8. By the time l got up my brother had eaten all the pancakes.