. Complete the sentences with the correct verb forms. Mark Twain, the author of the The Adventures of Tom Sawyer, is one of America’s best loved storytellers. He (1) (grow up) in a small town on the Mississippi River. As a young boy, he (2) (greatly/ admire) the pilots of the riverboats and dreamed about being a riverboat pilot on the mighty river. He pursued his dream, and by the age of 22, he himself (3) (be come) a riverboat pilot. Later in life, when he (4) (become) a writer, many of his stories (5) (Contain) elements of his own experiences. He (6) (write) many humorous stories and articles about life on the Mississippi River before he (7) (die) in 1910 at the age of 74. Sadly, Twain (8) (work) on a new story for several months before his death, but he (9) (never/finish) it. Over the years since his death, his boyhood home in Hannibal, Missouri, (10) (become) a favorite place for Americans to visit to learn about Twain and life on the Mississippi at the turn of the 19th century.