1. Does Linda's homework take most of her free time on weekdays? - общий вопрос.
2. Where does Linda usually hang out with her friends at weekends? - специальный вопрос.
3. Who keens on collecting? - вопрос к подлежащему.
4. Who has got different collections? - вопрос к подлежащему.
5. What did Robert collect at primary school? - специальный вопрос.
6. Who often shows collections at the school club of collectors? - вопрос к подлежащему.