I've just added a new quiz to RoadToGrammar.com, on embedded questions.
You can go directly to the quiz by clicking here: http://roadtogrammar.com/?76
Embedded questions was one of the very few topics missing from the list and now there's a 20-question quiz and notes. It's a good topic for learners at level B2 and up.
I combined the the two quizzes on Environmental issues into one quiz, to make space.
Also, I'm always happy to take suggestions for new quizzes or even games. Post them here in the comments if you like.
Here is a new quiz for learning the names of 40 common animals. Try it here: www.roadtogrammar.com/animals
If you've ever wondered why English has such odd grammar rules, here's an excerpt from the book 'English Grammar for Dummies'...
I've finished and uploaded a conversation worksheet on the topic of Globalization. This worksheet would be suitable for upper-intermed...