b. A dog is more intelligent than a chicken. 

c. Ba is friendlier than Nam.

d. Your house is farther from school than my house. 

e. A horse is stronger than a person. 

3 , So sánh cao nhất :

a, The Nile river is the Longest in the world

b, Lan is the tallest student in my class

c, English coffee is the badest of all

d, Australia is the smallest continent in the world 

e. That is the highest mountain in the world. 

=>

b. A dog is more intelligent than a chicken. 

c. Ba is friendlier than Nam.

d. Your house is farther from school than my house. 

e. A horse is stronger than a person. 

3/

a. The Nile is the longest river in the world.

b. Lan is the tallest student in my class.

c. English coffee is the worst of all. 

d. Australia is the smallest continent in the world. 

e. That is the highest mountain in the world.