Fill in the blank with a(n), the if necessary. Put an X where none is required. 1.As ___________ rule, we write two reports a month. 2. They met in ___________ college and fell in love right away. 3. A person who inherits property is called ___________ heir. 4. This organization provides financial assistance to ___________ unemployed. 5. ___________ ripe tomato may be 90 percent water. 6. I'm sorry, ___________ director is away on vacation. 7. She has been studying ___________ business law for two years. 8. There might be ___________ grain of truth in his words. 9. I still keep wondering if I was doing ________ right thing when I asked my father for ________ permission to leave school. 10. We needed ________ house to live in when we were in London. 11. There are some things ________ gentleman can’t do, Tom. 12. You are ________ only person whose opinion is of any value to me in ________ present regrettable circumstances. 13. He told me he hated ________ doctors. 14. She had ________ laughing eyes and ________ most charming mouth. 15. We talked about ________ books. Charles had just finished ________ last volume of Proust. 16. I went into ________ room quietly and sat down opposite him without ________ word. 17. Mr March spent most of the night talking to Francis about buying ________ house. ________ two of them were happy discussing ________ plans and ________ prices.