Ayuda, como completo estas frases con estas letras?

Ayuda, como completo estas frases con estas letras. La verdad no entiendo nada : / her his its their their our my your 1. Sonia and Tara buy ____ clothes at Zara. 2. When I was a child, ____ father played with me. 3. The computer keeps the information in ____ memory. 4. We went to the party with ________ friends. 5. John lost ______ money in the park. 6. Laura does ____ English homework at the weekend. 7. Many people like to spend ____ holiday at the beach. 8. You can use ____ dictionary in the exam.