SIMPLE PRESENT

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/pres1.htm

http://www.englisch-hilfen.de/en/exercises/questions/simple_present.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=5283

http://www.perfect-english-grammar.com/present-simple-exercise-6.html

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/presnq3.htm

http://www.ego4u.com/en/cram-up/grammar/simple-present/form/exercises?05