1. Complete the sentences with had or hadn't where necessary. Remember the action which happened first takes the Past Perfect tense.
1. Kay _______ felt angry because she hadn't closed the windows.
2. After the police had examined the flat, they _______ found some fingerprints.
3. The police______ found some fingerprints because the burglars _____ used gloves.
4. After the police ______ left, Kay ______ cleaned her flat.
5. The police ________ arrested the burglars two days later, after they ______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_______ already had dinner.