Hi there!

Here you can find some exercises to practice with USED TO, BE USED TO, and BE GETTING USED TO:

https://www.myenglishpages.com/english/grammar-exercise-used-to.php

https://www.esl-lounge.com/student/grammar/4g68-used-to-be-used-to.php

https://www.learn-english-today.com/lessons/lesson_contents/exercises/usedto_tobe-getusedto_gapfill-ex1.html

https://www.usingenglish.com/quizzes/115.html

http://www.autoenglish.org/modalverbs/gr.used.i.htm