I.

1. Mary is as tall as her brother.

2. A lemon is not as sweet as an orange.

3. A donkey is not as big as a horse.

4. This dress is as pretty as that one.

5. The blue house is not as big as the red house.

II. 

1. A rose is more beautiful than a weed.

2. A dog is more intelligent than a chicken.

3. Ba is more friendly than Nam.

4. Your house is further from school than my house.

5. A horse is stronger than a person.

III. 

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

2. Lan is the tallest student in my class.

3. Russia is the biggest country in the world.

4. Australia is the smallest continent in the world.

5. That is the highest mountain in the world.

I.

1. Mary is as tall as her brother

2. A lemon is not as sweet as an orange

3. A donkey is not as big as a horse

4. This dress is as pretty as that one

5. The blue house is not as bg as the red house

II. 

1. A rose is more beautiful than a weed.

2. A dog is more intelligent than a chicken.

3. Ba is more friendly than Nam

4. Your house is farther from school than my house

5. A horse is stronger than a person

III. 

1. The Nile is the longest river in the world

2. Lan is the tallest student in my class

3. Russia is the biggest country in the world

4. Australia is the smallest continent in the world

5. That is the highest mountain in the world