1)
The Amazon (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 Caucasian 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.