``` Exercise 9. Rewrite the following sentences without changing their meanings. E.g: This exercise is easier than that one. That exercise is more difficult than this one. 1. Mr. Smith is wealthier than Mr. Brown. -> Mr. Brown __________ 2. My house is smaller than my parent's house. -> My parent's house __________ 3. The black dress is more expensive than the red one. -> The red dress __________ 4. Today it is colder than yesterday. -> Yesterday __________ 5. I don't think you are taller than me. -> I don't think I __________ 6. Is Jim worse at Math than John? -> Is John __________ 7. Jim looks much younger than his classmates. -> Jim's classmates __________ ```