1. The Nile is the longest river in the world.
2. Lan is the tallest student in my class.
3. English coffee is the worst coffee of all.
4. Australia is the smallest continent in the world. (continent: lục địa)
5. Mt.Everset is the highest mountain in the world.
6. Ayres Rock is the most strange rock in Australia. (strange: kì lạ)
7. Tra Co beach is the longest beach in Vietnam.
8. Baikal lake is the deepest in the world.
9. This is the nicest T-shirt in the shop.
10. New York is the largest city in the world.

$\text{The Nile is the longest river in the world}$
$\text{Lan is the tallest student in my class}$

$\text{English coffee is the worst coffee of all}$
$\text{Australia is the smallest continent in the world}$
$\text{Mt Everset is the highest mountain in the world}$
$\text{Ayres Rock is the most strange rock in Australia}$

$\text{Tra Co beach is the longest beach in Vietnam}$
$\text{Baikal lake is the deepest in the world}$
$\text{This is the nicest T-shirt in the shop}$
$\text{New York is the largest city in the world}$