1. Kay felt angry because she hadnt closed the windows.
2. After the police had examined the flat, they found some fingerprints.
3. The police hadnt found some (some на any по идеи изменить нужно) fingerprints because the burglars used gloves.
4. After the police had left, Kay cleaned her flat.
5. The police arrested the burglars two days later, after they had robbed another flat.
6. One of the burglars explained that he had taken the hamster because he always wanted to have a pet.
7. The burglars left some of the pizza becaouse they had already had dinner.