Exercises Going to - Future Simple

http://www.saberingles.com.ar/exercises/103.html

http://www.nonstopenglish.com/lang/es/exercise.asp?exid=901

http://www.nonstopenglish.com/lang/es/exercise.asp?exid=897

http://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future.htm