Make the sentences interrogative. 1. The teacher said that Molly had made good progress in English. 2. By one o'clock Nora and her friends had been in the country. 3. When Helen came home, her sister had already left. 4. She said that she had already attended the library. 5. When I saw her, she had already known the news. 6. Mary said that she had worked at her grammar. 7. By eight o'clock they had already had breakfast.