1. Complete the sentences with the correct verb forms.
Mark Twain, the author of the The Adventures of Tom Sawyer, is one of Americe'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 hs 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 (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 visist to learn about Twain and life on the Mississippi at the turn of the 19 century.