Answer:
"1. You are from Puerto Rico. 2. The student draws a map. 3. Tourists arrive by bus. 4. The class ends at two in the afternoon. 5. Samuel works in the library. 6. The boys watch a program. 7. Professor Miranda teaches the humanities class. 8. Isabel buys five history books. 9. Mariana and Javier prepare the task. 10. They chat in the university cafeteria."