Ответ:
1. I like him.
2. We like her.
3. He likes it.
4. Can you show them to him?
5. You can tell it to her.
6. Are you interested in it?
7. I want to buy them for her.
8. Do you want to play it with him?
9. We must speak to him.
10. You should invite them to your house for it.
11. Do you know her?
12. Tell him about it.
13. I see them every day.