Трое рабочих копают яму. Они работают по очереди, причем каждый из них работает столько времени, сколько нужно двум другим, чтобы вырыть

1. I went to the cinema last night. 
2. We do not dance every day. 
3. What are you reading now? 
4. He is are watching TV now. 
5. He worked in the garden yesterday. 
6. Have you got any brothers? 
7. Kyiv is a very big city. 
8. There are many mistakes in your dictation. 
9. How many cookies did you eat yesterday? 
10. Usually I get up at 7 o'clock in the morning. 
11. My sister watches TV every morning. 
12. Our school has a lot of students. 
13. She usually does her homework in the evening. 
14. We did not help our mother yesterday. 
15. What are you doing now? 
16. They are dancing at the moment. 
17. I often write letters to my sister. 
18. We went to London last summer. 
19. I have not any questions. (I don't have any questions)
20. How many pens are there on the table? 
21. There is not a book in my bag. 
22. He likes reading. 
23. Victor is a driver. 
24. My brother has no dog. (My brother doesn't have a dog)