Хелп инглиш дам балы

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