"NowComment makes it easy to have rich, engaging discussions of online documents no matter how large (or small) your class or collaboration group.
NowComment is fast, powerful, and feature-rich: you can sort comments, skim summaries, create assignments, hide comments, reply privately, and much more"
Just learned about this alternate to Common Sense Privacy Reviews. Interesting dashboard that's easy to read. Can approve resources at different levels of acceptance.
This site offers various texts with both multiple choice questions and open-ended questions. You can select text by lexile level and by genre, theme, objectives. It's free and easy to navigate.