https://librivox.org/   - Free Public Domain classic books and audiobooks

https://wordlegame.org - English word games and puzzles

www.ielts.org - Official site for the IELTS organization 

https://toeic-testpro.com/practice/part-5-incomplete-sentences/ -- TOEIC practise site

https://tstprep.com

https://www.etsglobal.org/ - TOEFL Test and organisation guidelines

https://www.ets.org/s/toefl/free-practice/start.html - TOEFL practise tests

https://www.visualcapitalist.com/ - Useful visual data 

https://dictionary.cambridge.org/ - Reference site

https://www.globalguideline.com/ - Work Interview questions

https://www.google.com/maps/@25.5876887,70.8569224,2.85z?authuser=0 - Google Maps / geography

https://www.grammarly.com/blog/category/writing-tips/ - English language writing resource

https://www.linkedin.com/feed/ - Business article links

https://breakingnewsenglish.com/index.html

Cambridge: Mindset for IELTS

https://www.at.alleng.org/d/engl_en/eng633.htm

https://www.thoughtco.com/

http://www.english-practice.at/index.htm

https://www.oxfordlearnersdictionaries.com/external/pdf/wordlists/oxford-3000-5000/The_Oxford_5000_by_CEFR_level.pdf