1. Mark is the funniest boy in the class.

2. Russia is the largest country in the world.

3. Hollywood film is the most popular films in the world.

4. Who is the most hard-working students in the class?

5. Hoi An is the oldest town in Vietnam.

6. Mai's house is the smallest house in the village.

7. They are the biggest buildings in the city.

Giải thích:

- So sánh nhất với tính từ ngắn:

`->` S + tobe + the + V_est + ...

- So sánh nhất với tính từ dài:

`->` S + tobe + the most + V(infi) + ...

1. Mark is the funniest boy in the class.

2. Russia is the largest country in the world

3. Hollywood films are the most popular films in the world.

4. Who is the most hard-working student in the class?

5. Hoi An is the oldest town in Vietnam.

6. Mai's house is the smallest house in the village.

7. They are the biggest buildings in the city.

Cấu trúc so sánh nhất:

 - Với tính từ/trạng từ có từ 2 âm tiết trở lên: the most + ADJ/ADV

 - Với tính từ/trạng từ có duy nhất 1 âm tiết: the + ADJ/ADV- EST