Put the verbs in brackets into the Present Perfect or the Past Simple. Pay attention to the underlined words. 1. I ( already do) my homework. 2. I ( do) my homework yesterday. 3. I (live) in London in 2015. 4. We (live) in Moscow since 2010. 5. He ( be) in the USA last summer. 6. They ( be) in Italy for a week. 7. You ( play) the piano today? 8. She ( play) the piano yesterday? 9. You ( ever see) the eruption of a volcano? 10. We ( see) the eruption of a volcano two years ago. 11. I ( not yet cook ) dinner. 12. She ( not cook) dinner yesterday.