Ending a presentation, if you signal to the audience that you are coming to the end, you will then have their full attention. Summarize each of the main points. Make a short but strong conclusion. Prepare the final sentence of your talk beforehand, and practice saying it clearly and strongly. At the end of the presentation. the audience may have some Question. Dealing with questions, anticipate the questions and prepare some answers beforehand. Address answers to the whole audience, not just to questioner. Never get into an argument with the questioner.