Listening
https://www.englishcentral.com/browse/videos
Pronunciation & Speaking
https://www.youtube.com/user/rachelsenglish
https://www.youtube.com/c/LearnEnglishWithTVSeries
https://www.youtube.com/c/CorkEnglishTeacher
https://www.youtube.com/c/EnglishWithNab
Reading & Writing
https://www.testprepreview.com/modules/readingmainidea.htm
https://www.plot-generator.org.uk/