Improve your listening skills 

A1 - A2 online listening comprehension activity + vocabulary

https://english-practice.net/english-listening-exercises-for-a1-university-accommodation/

B1 listening comprehension activity + vocabulary 

https://english-practice.net/practice-listening-english-exercises-for-b1-food-and-nutrition/

B2 online listening comprehension activity  +  vocabulary 

https://english-practice.net/practice-english-listening-tests-for-b2-listening-test-30/