1. The Mississippi is (long) river in the world. 2. My cigarettes are (bad) than yours. 3. The battle of Waterloo was the (great) battle of all…

1. The Mississippi is the longest river in the world. 2. My cigarettes are worse than yours. 3. The battle of Waterloo was the greatest battle of all times. 4. This plan is the most practical of all. 5. She is not so tall as her sister. 6. He is stronger than his brother. 7. Our house is as low as yours.8. Elbrus is the highest peak in the Cau- casian mountains. 9. The Neva is wider and deeper than the Moskva river. 10. This method is more efficient than the common one. 11. October is colder than June.