Question: Do you have a favourite teacher?
Analysis

1.You can answer whether you have a favorite teacher or not. 2.If you do, you can describe who this teacher is and why they are your favorite, such as their teaching style, personality, or the impact they had on you.

Synonyms
Try these synonyms instead of repeating the question:
  1. favourite→preferred; most liked; beloved
  2. teacher→educator; instructor; mentor