DEMONSTRATIVES

http://www.englishexercises.org/makeagame/viewgame.asp?id=4617

http://www.englishexercises.org/makeagame/viewgame.asp?id=4102

http://www.1-language.com/englishcourse/unit12_grammar_exs2.htm

http://www.agendaweb.org/exercises/grammar/demonstratives/this-that-these-those

http://oud.digischool.nl/en/grammatica/aanwijzend-vraag.htm