simple present exercises

http://speakspeak.com/english-grammar-exercises/elementary/present-simple

the new class

http://www.esl-lounge.com/student/listening/1L3-the-new-class.php

listening - verb be

http://learnenglishteens.britishcouncil.org/skills/listening-skills-practice/library-giving-personal-information

possessive adjectives

https://www.learnamericanenglishonline.com/Listening_Lab/Listening_Lab_Exercise_3_possessive_adjectives.html