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.