Past simple and past continuous exercises

http://www.englishexercises.org/makeagame/viewgame.asp?id=734

http://www.learnenglish-online.com/grammar/tests/pastcontinuoussimplepast.html

http://www.englisch-hilfen.de/en/exercises/tenses/simple_past_progressive.htm

http://www.learnenglish-online.com/grammar/tests/pastcontinuous.html