| long | longer | the longest |
| short | shorter | the shortest |
| tall | taller | the tallest |
| small | smaller | the smallest |
| big | bigger | the bigsest |
| high | higher | the highest |
| thick | thicker | the thickest |
| short | shorter |
shortest |
| tall | taller | tallest |
| small | smaller | smallest |
| big | bigger | biggest |
| high | higher | highest |
| thick | thicker | thickest |
a)longer.............the longest
b)the longest
c)the tallest.........taller........the tallest
d)biggest..........bigger........the biggest.........the biggest
| short | shorter | shortest |
| tall | taller | tallest |
| small | smaller | smallest |
| big | bigger | biggest |
| high | higher | highest |
| thick | thicker | thickest |
a) The Mekong River is long . The Amazon River is longer than the Mekong . The Nile is the longest river in the world
b) The Great Wall of China is long . It is the thickest structure in the world
c) Sears Tower in Chicago is tall , but it isn't the tallest building in the world . PETRONAS Twin Towers in Kuala Lumpur is taller than Sears Tower . It is the tallest building in the world
d) Hanoi is big , but is isn't the biggest city in Viet Nam . Ho Chi Minh City is bigger than Hanoi . It is the biggest city in Viet Nam . But Mexico City is the biggest city in the world
a) The Mekong River is long. The Amazon River is longer than the Mekong. The Nile is the longest river in the world.
b) The Great Wall of China is long. It is the longest structure in the world.
c) Sears Tower in Chigo is tall, but it isn't the tallest in the world. PETRONAS Twin Towers in Kuala lumpur is taller than Sears Tower. It is the tallest building in the world.
d) Ha Noi is big, but it is not the biggest city in Viet Nam. Ho Chi Minh City is bigger than Ha Noi. It is the biggest city in Viet Nam. But Mexico City is the biggest city in the world.
