At http://www.learnclick.com it is very simple to create quizzes. For gap-filling exercises (so-called cloze tests) you just mark the words with your mouse. Learnclick.com also lets you generate drag & drop, drop down and matching exercises. You can insert images, video and sound into your quizzes. Share the quizzes with your students and view detailed statistics on how well your students performed. It is the ideal tool for language teachers.