PAST SIMPLE AND PAST CONTINUOUS
http://www.englishexercises.org/makeagame/viewgame.asp?id=734
http://www.englishpage.com/verbpage/verbs3.htm
https://elt.oup.com/student/project3rdedition/level5/unit1/grammar/exercise1?cc=us&selLanguage=en
https://elt.oup.com/student/project3rdedition/level5/unit1/grammar/exercise1?cc=us&selLanguage=en