Change the underlined word using the correct object pronoun?

Change the underlined word using the correct object pronoun. 15. We are going to throw a party for Ellen next Friday. (Palabra subrayada Ellen) • 16. Please, tell your sister to turn off the music. (Palabra subrayada sister) • 17. My dad is going to bring a present for Charly. (Palabra subrayada Charly) • 18. You have to take your shoes off when you get in. (Palabra subrayada your shoes) • 19. George will take Richard and I to the game. (Palabra subrayada Richar and i) •.