a,Russia /large/country/the world
=> Russia is the largest country in the world
b,She/careful/pupil/class
=> She is the most careful pupil in the class
c,He/play/football/well/ I
=> He plays football as well as I
d,This/dress/long/that one
=> This dress is longer than that one
e,The Great Wall /long/structure/the world
=> The Great Wall is the longest structure in the world
f,Mr .Pike /generous/person/my/town
=> Mr.Pike is the most generous person in my town