This is a great way to create printable materials for students of Korean. This tool creates worksheets to find out whether Korean learners know the answers that should go in the spaces. You enter the Korean text then for select every word that you want to be an answer. These words will then appear in a separate box for students to select. There is the opportunity to choose different Korean fonts, the size and then for printing, there is the option of how many sheets you print "with answers" and how many without.