What questions do you have for me?

This question will not only help them assess your genuine interest in working for them but also clue them into whether you are the type of person to ask questions when training for a new job. The more questions you ask, the more enhanced your communications skills will seem, and the more likely you are to be self-guided and successful at your job.

You are interviewing the company as much as they are interviewing you. They've provided opportunities for you to share your accomplishments and advertise your merits. This is your opportunity to allow them to propose their pitch and advertise their merits and what they offer, allowing them the opportunity to convince you this is a great opportunity.