Inglês - Exercícios de Going to x Will

Os seguintes links têm exercícios de Inglês sobre o assunto "going to x will":
http://www.better-english.com/grammar/willgo.htm
http://www.isabelperez.com/happy/tenses/exercises/going-will2.htm
http://www.englishpage.com/verbpage/verbs18.htm
http://www.englisch-hilfen.de/en/exercises/tenses/will_going_to_future.htm
http://www.englishtenseswithcartoons.com/page/exercise/simple_future_vs_going_to
http://perso.wanadoo.es/autoenglish/gr.gowil.i.htm
http://www.englishgrammarsecrets.com/goingtoorwill/exercise1.html
http://www.englishgrammarsecrets.com/goingtoorwill/exercise2.html
http://www.englishgrammarsecrets.com/goingtoorwill/exercise3.html
http://www.englishgrammarsecrets.com/goingtoorwill/exercise4.html
http://www.englishgrammarsecrets.com/goingtoorwill/exercise5.html