Fire away.
If you have any questions, please ask me anything.
Please feel free to ask questions.
Please ask me anything if you have any questions.
I want you to answer my question.
What is it you want to ask me?
Please feel free to ask me any question.
Please allow me to ask just one question to you.
I answer your question.
Feel free to ask me if you have any queries.
May I ask you a question?