Odpowiedź:
1. Had you eaten breakfast before you went out?
2. They hadn't been waiting long when the bus arrived.
3. He was just swimming because he'd been cold.
4. Where had he living before he moved to London?
5. She hadn't expected to get so many presents.
6. Had they been dating for long before they got married?
Wydaję mi się, ze tak to będzie. Prosze :))
Wyjaśnienie: