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