Complete the sentences with correct verb forms based on the provided context.

1. I have been working at my report. And when did you write your composition? — I finished it two days ago. 2. I say, Tom, let’s have dinner. — No, thank you, I have already had dinner. 3. What is the weather like? It is still raining. — No, it has stopped raining. 4. Please give me a pencil, I have lost mine. 5. I have not met Peter since Monday. 6. Nina has just finished work. 7. Where is Sergei? — He has gone home. He left the room a minute ago. 8. What are you reading now? — I am reading “Jane Eyre” by Charlotte Brontë. 9. They read “Ivanhoe” by Walter Scott a month ago. What about you? Have you read “Ivanhoe”? 10. My watch has stopped. There is something wrong with it. 11. Did you see Jack today? — Yes, I saw him at the institute. 12. Did you hear the new symphony by M.? — Yes, I heard it last Sunday. When did you hear it? — I heard it last Sunday. 13. You have changed so much. Has anything happened?