At St. Oswald's, Harry and the others were horrified when they ?

Which is not among the style choices a writer would use, if he or she is trying to establish a formal writing style/

When i was four years old, my dad and i a tree in our front yard. it was a tiny, fragile sapling. he promised me that it would grow tall and strong, but he said that i had to be patient. until i turned 18 years old, dad and i it every year on my birthday. choose the words that correctly fill in the blanks.

Which statement best describes the intended aesthetic impact of this excerpt?