Multiple choice questions with four possible answers, click to reveal if answer is correct. There are gifs and sounds, with the answers in the notes.
Which vs that can be hard, I honestly didn't know the rules until I looked it up. I recommend this PowerPoint https://www.altopedia.net/activities/676-which-vs-that-relative-clauses-quiz to help explain the difference.
My first version was very buggy, apologies, I have uploaded a fixed version.
I've also added a version where which and that are interchangeable as the NH textbook says they are and my JTE wanted it.