30 - PRESENGT CONTINUOUS EXERCISES

http://www.isabelperez.com/happy/tenses/exercises/present_cont_1.htm

http://www.isabelperez.com/happy/tenses/exercises/present_cont_2.htm

http://www.isabelperez.com/happy/tenses/exercises/pres_cont_quest1.htm

http://www.englishexercises.org/makeagame/viewgame.asp?id=3438