English resources
B2 Level
https://www.examenglish.com/CEFR/b2.htm
https://www.examenglish.com/B2/index.php
http://www.cambridgeenglish.org/exams/first/preparation/
http://keepsmilingenglish.com/2015/05/speaking-cambridge-english-first-b2/
http://www.flo-joe.co.uk/fce/students/tests/
http://www.englishtag.com/tests/level_test_upper_intermediate_B2.asp
http://www.englishjet.com/english_courses_files/test_upper-intermediate.asp