Помогите пожалуйста с упражнением 237

Ответ:

1. 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. 2. I say, Tom, let's have dinner. — No, thank you, I have already ( had) dinner. 3. What is the weather like? Is it 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 Bronte. 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. Have you ( seen) Jack today? — Yes, I ( saw) him at the institute. 12. Have you ( heard) the new symphony by M.? — Yes, I have. — When did you ( hear) it? — I ( heard) it last Sunday. 13. You (have  changed) so much. Has anything ( happened)?

Объяснение:

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