Here are the mistakes underlined and corrections provided:

10. I'm sorry that I don't have the ingredients to make your **favourite** dish for dinner.
→ **favorite**

11. My uncle is always busy with his hobbies. I want him to teach me how to make a **wood house**.
→ **tree house**

12. Trang **doesn't have** a laptop. She wants to have one to work and study more efficiently.
→ **does not have**

13. Oliver wants to quit his job and travel full-time, but he can't because he has **debts to pay off**.
→ **debt to pay off**

14. I'm sorry that I don't have time to attend your event tomorrow.
→ **there's no mistake**

15. He wants his parents to listen to his concerns and offer advice when needed, but **they don’t**.
→ **they do not**