Pg. 90; 1-23 Lesson 4- Appositives 19. The White House, the home of the president, has 132 rooms. 20. The address, 1600 Pennsylvania Avenue, is famous. 21. The site, about eighteen acres, is well landscaped. 22. The British, once our enemies, burned this house. 23. The house was rebuilt for James Monroe, the fifth president.