4. In 1788 he ( write) his last great work in Vienna.…………………………………….. 5. She ( arrive) at Kennedy Airport at 2 o’clock this morning.…………………………………….. 6. Frank ( collect) stamps in his spare time. It’s his hobby.…………………………………….. 7. “ How are you getting on with the book?” “ At the moment I ( read), chapter four.…………………………… 8. Alice ( see) her mother in London most weekends.…………………………………….. 9. “ What’s that terrible noise?” ‘ The neighbors ( have) a party.…………………………………….. 10. Sir Isaac Newton ( invent) calculus.…………………………………….. 11. Both ancient and recent records show that farmers ( work) long hours.…………………………………….. 12. “ Don’t rush me. I ( work) as fast as I can…………………………………….. 13. We (have) dinner when there was a knock on the door.…………………………………….. 14. We (see) that film in 1975.…… ……………………………….. 15. I (go) to the cinema twice a month …………………………………….. 16. Sit down and fasten your seat belts. We ( take off) in a few minutes.