Are you bored? Your first priority is to check the Google Classroom To-Do page to make sure you're caught up with everything in your classes. If you're still bored, see below:
Commonsense Composition: This provides a general understanding of composition.
GoodReads (by Amazon): The largest site for readers and book recommendations.
ReadTheory.org: Personalized reading comprehension exercises for students.
Do you have any interactive websites or apps to add to this list? Please let me know!