1. It is the (oldest) church in my city. 2. She is one of the (best) tennis players in the world. 3. Sarah is (more intelligent) than Mike. 4. He is the (cleverest) boy in the class. 5. My room is (smaller) than yours. 6. She is the (most attractive) in her class. 7. They are the (fastest) runners of all. 8. Don is the (laziest) student in the class. 9. The red dress is the (most expensive) of all. 10. Rex is (more aggressive) than Fluffy.