ПОМОГИТЕ ПОЖАЛУЙСТА! Даю 25 баллов .Напишите по английскому языку объяснительную "почему меня не было в школе из-за болезни"

Yesterday I was absent at my classes.I had terrible toothache.My mother took me to the dentist He examined my tooth and said it should have to be pulled out.That is the reason why I missed my classes.