Simple Present vs Present Progressive

http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/simcon1.htm
http://www.impact-english.com/members/Grammar_Practice/Always/test-grammar/gr_prac_use-PPrg-gen.htm
https://www.learnclick.com/mchoice/show/849
http://esl.fis.edu/grammar/q7m/2.htm
http://www.esl-lounge.com/student/grammar/1g67-elementary-present-simple-multiple-choice.php
http://www.esl-lounge.com/student/grammar/1g67-elementary-present-simple-multiple-choice.php