Right now we only have the options of a text box or a multiple choice answer. For us, a drop down box that we would be able to customize would make our registrations much easier. Would it be possible to add that functionality?
I have marked this as an Idea, it may be considered for a future update. In the meantime, there are a number of integrations available that may offer what you are looking for: https://www.goto.com/integrations