Topworksheets

With Topworksheets you will be able to create interactive auto-grading worksheets easely and free. You don’t need to learn any code. 

You can add many different question types: fill the blank, dropdown, join elements, drag & drop. You can also include multimedia content like video, audio or images, assign worksheets as tasks for your students, and receive results directly in your account. 

https://www.topworksheets.com/en/home