filll un the blank with the reflexive pronoun which agrees with the underlined word. Помогите прошу​

1. Don't use that knife! You will hurt yourself.2. We often deceive ourselves.3. He painted himself in the garden house.4. My sister prepared breakfast by herself.5. I introduced myself to the class.6. We often hurt ourselves.7. The children find the toys by themselves.8. The rabbit dug itself a hole to hide in.9. You will hurt yourself.10. He introduced himself.Чи можно дякую?