Ответ:

1. ‘She is my best friend,’ he said. He said that she b) was his best friend.
2. ‘She is waiting for us,’ he said. /He said that she b) was waiting for them.
3. ‘I have visited all the continents,’ he said. / He said that c) he had visited all the continents.
4. ‘She has been living alone for years,’ he said. / He said that she c) had been living alone for years.
5. ‘She will help us,’ he said. / He said that she b) would help them.
6. ‘I want to go,’ he said. He said that he b) wanted to go.
7. ‘I don’t want to go,’ she said. / She said that she a) didn’t want to go.
8. ‘I have watched that movie,’ he said. / He said that he b) had watched that movie.
9. ‘She must leave now,’ he said. / He said that she b) had to / a) must leave then.
10. I can’t help you,’ he said. / He said that he b) couldn’t help me.
11. ‘They will have gone,’ he said. / He said that they c) would have gone.
12. ‘I am busy,’ he shouted. / He shouted that he b) was busy.