Question: Have you ever sent a thank you card to others?
Analysis

1.You can answer whether you have sent a thank you card to others based on your personal experience. 2.If you have, you can share the occasion or reason for sending it, such as gratitude for a gift, help, or support.

Synonyms
Try these synonyms instead of repeating the question:
  1. sent→mailed; delivered; given
  2. thank you card→gratitude card; appreciation note
  3. others→people; individuals