Составьте предложение со словами exam,to work hard,to take care of, to explain,to pay attention,to need,culture,to grow up,to understand

I passed my exams. Mark worked hard because he wanted to be successful.
He takes care of his parents. Explain me this exercise. Pay your attantion on this picture. I need in your attantion.He grew up in 1999. I don`t understand you.