Going to exercises

https://www.ego4u.com/en/cram-up/grammar/future-1-going-to/exercises
https://www.ego4u.com/en/cram-up/grammar/future-1-going-to/exercises?04
https://www.ego4u.com/en/cram-up/grammar/future-1-going-to/exercises?05
https://www.ego4u.com/en/cram-up/grammar/future-1-going-to/exercises
http://www.agendaweb.org/exercises/verbs/going-to-questions-2
http://www.englisch-hilfen.de/en/exercises/questions/going_to_future.htm