School
Office hours: clarify a concept
Visit your professor to clarify a concept from class.
What makes this one hard
Saying precisely where your understanding breaks is one of the hardest things to do in a second language — it is easier to say "I don't understand" than to locate the seam. Professors respond to the located version, so the payoff for getting it out is immediate.
Practice every scenario with a real AI partner
Free to start. The partner reacts in voice, stays in role, and gives feedback on what you said and what you could have said better.