Be well prepared before the interview. Don't try to think of questions on the spot. Also question you ask should show your interest for the job. Example are like what's the culture like. Ask them share experience. What's their outlook on the coy. Biggest challenge on the job for them. Please don't ask about pay, benefit, got ot or not.

Appear engaged when they answer and show interest in their answers. Can expand on their answers to ask more questions.