17. You've got a letter from your friend about his/her best friend in his/her family. Write him/her a letter and answer his/her three questions. Write 50-60 words. "... Who is your best friend in your family? What do you usually do together? What is he/she like?..."

Dear [Friend's Name],

Thank you for your letter! I'm happy to hear from you.

My best friend in my family is my cousin, [Cousin's Name]. We usually play video games or go to the park together. He's very funny and kind, and we always have a great time.

Hope to hear from you soon!

Best regards,
[Your Name]