Listening:
www.esl-lab.com

https://www.seminolestate.edu/els/pett/listening ‌

Reading:

 http://resources.marshalladulteducation.org/reading_skills_home.htm ‌

Varied Learning Activities: 

https://en.islcollective.com/ ‌

Idioms & American Expressions (English in a Minute):

 https://learningenglish.voanews.com/z/3619 ‌