Перевести прямую речь в косвенную

1.The teacher said that water boiled at 100 degrees Centigrade. 2. My cousin said they had seen that programme on the 17th of May. 3. Kate said she was in London for the first time. 4. Dad said he wanted a cup of coffee. 5. They said tastes differed. 6. The History teachet told the pupils The Great Patriotic War had begun in 1941 and had ended in 1945. 7. Helen said It had never showed in Africa. 8. Mike told me BBC wasnt the Russian TV channel.