The CEFR levels explained

What you should be able to do in each skill  at each level  (self assessment grid)
Speaking Levels 
Global scale

Interactive Listening tests about different topics

UPDATE: 23.04
Some interactive listening tests you can take on this website ( B2 level).
If you find them difficult, you can try the ones at B1 level too. Click here. 
When you finish the test they show you your score,  the correct answers and you can also look at the script.

TED talk: How to live passionately no matter your age- Isabel Allende

A TED talk (about 8 min) recommended by Susana (group B):

BBC Grammar: let and allow in 90 seconds

http://www.bbc.co.uk/learningenglish/english/course/upper-intermediate/unit-5/session-1

BBC Grammar in 90 seconds: if without saying if

http://www.bbc.co.uk/learningenglish/english/course/upper-intermediate/unit-18/session-1

Article: half of Europe's young adults are living with their parents

Two articles from The Guardian about a topic we discussed in class: 

https://www.theguardian.com/society/2014/mar/24/dependent-generation-half-young-european-adults-live-parents
Six people explain what it's really like living with their parents

BBC interview: Shopping and business ideas

Check your understanding with the script here: