This website is a great way to practice your reading comprehension skills. I recommend starting with level 5 and moving up if those stories are too easy for you. You can listen to audio recordings of the stories on this page and answer questions from the pdf files. 

This website is a great way to read current news articles and practice your reading comprehension. I recommend starting with level 3 and moving up if those articles are too easy for you. You can print the articles, listen to them, take quizzes, and do many different activities about each article. 

This website has an alphabetical list of English idioms to study. Just click on the links where it says "List A1", "List A2", etc to view the idioms for each letter. This site also has lists of proverbs and phrasal verbs that are helpful for more advanced ESL students.