Fill in the blanks using the comparative degree: 1. My dog is _______ (friendly) than my cat. 2. This book is _______ (interesting) than the last one. 3. This puzzle is _______ (difficult) than the previous one. 4. She is _______ (tall) than her brother. 5. My sister is _______ (organized) than I am. 6. This test is _______ (easy) than the last one we took. 7. The weather today is _______ (warm) than yesterday.