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.
1, grew up
2, greatly admired
3, had become
4, became
5, contained
6, had written
7. had been working
9, never finished
10, has become