Преобразуйте предложения в косвенную речь19. My mother said to me: "Go to bed".20. "When did you receive a telegram?"

19. My mother ordered me to go to bed.

20. The boy asked when I had received a telegram.

21. My friend asked me if I had ever used electric toothbrush.

22. Alice invited me to sit down at the table and to have a cup of tea.

23. She asked Mike if he had got a lot of relatives.

24. Helen warned us that she would be late for dinner.

25. Julia asked us if we were going away in the summer.

26. They told us that that time the following week they would be doing their exams. 

27. He asked his brother how much he earned.

28. Mike warned us that we wouldn’t get there in time.

29. Ann told her little sister once again not to take her pen.

30. He told me that they had invited us to go to an archaeological dig.