A) Joseph is more serious than Joey.
B) Joseph are more serious than Joey.
C) joseph is seriouser than Joey.

A) Mike is happier than Isaac.
B) Mike is happy than Isaac.
C) Mike is more happy than Isaac.

A) Russia is big than America.
B) Russia is bigger than America.
C) Russia is biger than America.

A) French is difficulter than English.
B) French is more difficult than English.
C) French is difficult than English.

A) Katherine is taller of all.
B) Katherine is the most tall of all.
C) Katherine is the tallest of all.

A) Sussan is as friendly Sara.
B) Sussan is as friendly as Sara.
C) Sussan is friendly as Sara.

A) Angela is the younger of all.
B) Angela is youngest of all.
C) Angela is the youngest of all.

A) Pedro is as short as Miguel.
B) Pedro is as shor as Miguel.
C) Pedro is shorter as Miguel.

A) Jhon is nicest person of all.
B) Jhon is the nicest person of all.
C) Jhon is the nices person of all.

A) Australia is big than England.
B) Australia is bigger than England.
C) Australia is biger than England.