Dear Mark,
Thank you for your letter! I'm glad to hear you had an amazing time in Spain. I usually go to the beach for holidays because I love swimming and sunbathing. During my vacation, I enjoy spending time with my family and friends, exploring new places, and trying different foods. My most memorable trip was when I visited Italy last year; the sights, especially the Colosseum, were breathtaking! I hope to hear more about your adventures soon.
Best wishes,
[Your Name]