`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.

Vì ta có: Form

`\text{S + tobe + the + short adj/adv + est + in + O/A}`

`\text {S + tobe + the most + long adj/adv + in + O/A}`

1. The River Nile is the longest river in the world

2. Lan is the tallest student in my class

3. English coffee is the worst of all

4. Australia is the smallest continent in the world

5. That is the highest mountain in the world.

Cấu trúc: 

+) Tính từ ngắn:

- S + V + the + adj + EST ….

+)Tính từ dài:

- S + V + the MOST + adj ….