sono un po' arrugginito con l'inglese, ma dovrei riuscirci

ti metto in maiuscolo le correzioni
hai fatto un po' di confusione temporale... all'inizio la prima frase indica una tua azione abituale, invece nel seguito racconti un fatto accaduto in passato...
I always get up at seven o'clock and I arrive at school AT eight o'clock.
Just arrived at school I had biology. ON the second hour I had religion. The religion's teacher explained US the isdraelian's history. AT the third hour I was hungry, SO I ate a candy. ON the third hour I had history. Then WE HAD the ricreation. For the fourth and the fifth hour I had italian. The teacher explained us Alessandro Manzoni and Promessi Sposi, I already know something about his life.
Five hours have already passed. School is over and I just came back home. I've already done all MY english homeworkS....!
p.s. come back home (non ci vuole il "to")