In this section you can practice the grammar and vocabulary that you have learnt in class.
https://www.englisch-hilfen.de/en/exercises_list/alle_grammar.htm
https://learnenglish.britishcouncil.org/grammar
https://www.perfect-english-grammar.com/grammar-exercises.html
https://www.perfect-english-grammar.com/grammar-exercises.html
https://www.ego4u.com/en/cram-up/grammar
http://learnenglishteens.britishcouncil.org/vocabulary
http://www.eslgamesworld.com/members/games/vocabulary/index.html