Ответ:
1. She said that doctors didnt advise us to eat chips and chocolate.
2. She said that Kent had visited many countries in western Europe.
3. Fred said that he had invented a new computer program.
4. Mary said that she would help her sister.
5. They said to me that they had been really happy.
6. She said that she lived in a big apartment.
7. He said to her that he was going to the fish market.