B1
Listening and viewing
http://learnenglishteens.britishcouncil.org/skills/listening-skills-practice
https://www.englishclub.com/efl/category/listen-learn/ intermediate/easy gap-fill + multiple-choice
https://www.englishclub.com/listening/
Voice of America - Learn American English with VOA Learning English (voanews.com) News in levels beginners to advanced (every day)
Reading
http://learnenglishteens.britishcouncil.org/skills/reading-skills-practice
Breaking News English Lessons: Easy English World News Materials - ESL
English news and easy articles for students of English (newsinlevels.com)
Activities for Learners | Learning English | Cambridge English
Vocabulary
http://learnenglish.britishcouncil.org/vocabulary
Grammar
Revision from adjectives to adverbials, pronouns, nouns, etc.
http://learnenglish.britishcouncil.org/grammar
www.learn-english-today.com/index.html
https://www.usingenglish.com/quizzes/
http://www.manythings.org/repeat/1.html
https://learnenglishteens.britishcouncil.org/grammar-vocabulary/grammar-videos/
http://learnenglish.britishcouncil.org/english-grammar-reference
Writing
http://learnenglishteens.britishcouncil.org/skills/writing-skills-practice Go to Intermediate.