There are many different conversations, stories, news, etc. in these websites.You can listen, read the scripts and practice interactive listening activities.

http://englishconversations.org/

http://www.bbc.co.uk/learningenglish/

http://www.listen-to-english.com/index.php?page=1

https://www.voscreen.com

Test yourself in this quiz prepared with the Kelly's quiz maker!

http://s5.dosya.tc/server/07otoh/Mert.rar.html

Hot potato Matching and Cloze tests
http://s5.dosya.tc/server/pkefio/Hot_Potato_Mert_Hepsen.rar.html

To improve your writing skills, check these websites here

Your writing, at its best.
https://www.grammarly.com/

Some useful phrases which can be used in your writings
http://www.myenglishteacher.eu/blog/formal-and-informal-email-phrases/