PASSIVE VOICE

 http://www.englishexercises.org/makeagame/viewgame.asp?id=7324

 http://www.englishexercises.org/makeagame/viewgame.asp?id=1870

 http://www.english-4u.de/passive_ex2.htm

 http://oud.digischool.nl/en/grammar/hotpot/passive/tegenverltijd.htm

http://www.english-4u.de/passive_ex1.htm

 https://elt.oup.com/student/solutions1stedition/preint_unit_page/unit10/grammar/exercise1?cc=us&selLanguage=en