Заполните пропуски соответствующей формой глагола to be

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1.They... engineers. 2. She... a good student. 3. These... my books. They.... on the chair. 4. This... an office. 5. I... not an economist. I... an engineer. 6. Who... at the office? 7. Who... they? They... my friends. 8.Where... the telexes? They... under my book. 9. Where … your students? 10. What colour … his pen? It … blue. 11. What … your friends? They … economists. 12. What … his name? His name … Sokolov. 13. What colour … the desks in his office? 14. … she a good manager? 15. Our engineers … at the factory yesterday.
16. I … in Kiev two weeks ago. 17. His friends … at the plant yesterday. 18. My daughter … at the nursery-school last Tuesday. 19. Wednesday … his day off last week. 20. We … happy to see them yesterday.

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Last night I had a strange dream. I … in the world where all the colours … different. The grass … orange, the trees … white; in the green sky there … a purple sun and a moon the colour of blood. There … no people. But I … not frightened. 2. My friends … in Kiev three years ago. 3. Our engineers … at the factory yesterday. 4. It … Sunday yesterday. Our children … not at school yesterday. 5. Who … your English teacher at school? 6. My friend … not at the office last week. He … not well.7. … you at the Ministry last Wednesday? 8. Where … Mr Petrov at 9 o’clock yesterday. 9. When … your friend in Petersburg? 10. Where … you last Monday? 11. Who … at the lesson yesterday? They …. 12. In the evening there … no children in the street. 13. When … you born? 14. She learned to play chess when she … sixteen. 15. I … feeling sleepy so I had a nap. 16. It … neither cold nor hot yesterday. 17. … you at home last night? 18. You … lying, … not you? 19. He … not at home, … he? 20. Where … you in the morning? – Our engineers and I … at the plant.