Simple past. More Exercises

http://www.e-grammar.org/past-simple-continuous/test1-exercise3/

http://www.myenglishpages.com/site_php_files/grammar-exercise-simple-past.php

https://www.ego4u.com/en/cram-up/grammar/simple-past/exercises

http://www.agendaweb.org/verbs/past_simple-exercises.html

http://www.englishexercises.org/makeagame/viewgame.asp?id=5147

https://sites.google.com/site/easygrammar4kids/simple-past/simple-past

http://englishcarmencoronel.blogspot.mx/2012/02/past-simple-online-exercises.html