1.Japanese cars are the most expensive in the world 

2.This hotel is the most comfortable in the city 

3.Tam is the tallest in my class

4.Lake Baikal is the deepest lake in the world

5.No house in the city is bigger than this house

6.Ho Chi Minh City is the biggest city of three cities

7.My grandmother is the oldest in my family

8.The Sahara is the hottest desert in the world

9.Antarctica is the coldest place in the world

10.Minh is the most intelligent in our class

11.She is the youngest in her family

12.Nobody in Chau's class is better at english than her 

13.No river in the world is longer than the Nile river

14.Nobody in my class is taller than Nam

Đáp án:

1 Japanese cars are the most expensive in the world 

2 This hotel is the most comfortable in the city 

3 Tam is the tallest in my class

4 Lake Baikal is the deepest lake in the world

5 No house in the city is bigger than this house

6 Ho Chi Minh City is the biggest city of three cities

7 My grandmother is the oldest in my family

8 The Sahara is the hottest desert in the world

9 Antarctica is the coldest place in the world

10 Minh is the most intelligent in our class

11 She is the youngest in her family

12 Nobody in Chau's class is better at english than her 

13 No river in the world is longer than the Nile river

14 Nobody in my class is taller than Nam