F7M7

 a/an,the

https://agendaweb.org/exercises/grammar/articles/a-an-the-1.htm 

https://agendaweb.org/exercises/grammar/articles-a-an-the.htm 

https://agendaweb.org/exercises/grammar/articles/a-an-the-nothing-2.htm 

https://www.englisch-hilfen.de/en/exercises/nouns_articles/a_the.htm 

https://www.english-grammar.at/online_exercises/articles/art006.htm 

 Reflexive pronouns

https://agendaweb.org/exercises/grammar/reflexive-reciprocal/reflexive-pronouns-1.htm

https://www.englisch-hilfen.de/en/exercises/pronouns/reflexive_pronouns.htm 

The causative

https://www.usingenglish.com/quizzes/221.html