Help me pls, cause i need help

What does"after getting my report card i knew it was time to hit the books mean

Me read the letter. dear aunt mary, you for the wonderful painting. you are so talented! i was thrilled that you chose to paint horses. you must have remembered that i was crazy about horses when i was a little kid—and i still love them. i have hung the painting in my room so that i can see it every morning when i wake up. your loving niece, celia what makes this letter appropriate for its intended audience? it is written from the third-person point of view. it is concise and impersonal. its sentence structure is varied. its language is informal.

The empire state building was a.constructed by one hundred workers. b.was first lit up by president roosevelt. c.has more than one hundred stories. d took several years to complete.