THIS - THESE (NEAR) AND THAT-THOSE (FAAAAAAAAAR)

http://www.englishexercises.org/makeagame/viewgame.asp?id=1941

http://www.adelescorner.org/grammar/this_that/this_these.html

http://www.adelescorner.org/grammar/this_that/that_those.html

http://www.adelescorner.org/grammar/this_that/this_etc.html

http://eolf.univ-fcomte.fr/wp-content/uploads/grammar/this_that_these_those/01.htm