7. Angels Falls are the on Earth. 8. Is the blue whale the in the world?
B. Type the missing words.
B: The blue whale is the heaviest.
B: The Sahara is the hottest. Why?
A: What's the longest river of all? 
B: The Nile is the river on Earth.
A: What about the Amazon?
B: The Amazon? Well, it's the river in the world.
A: What's the tallest waterfall in the planet? 
B: Angel Falls are the of all!
B: Yes, it's the lowest in the world.
A: Where can you find penguins? 
B: I think in Antarctica: the continent on Earth...
B: Mt. Everest!
C. Analyse this:
D. What's the SUPERLATIVE form of these words?
1. Famous 2. Cold 3. Heavy 4. Big
5. Good 6. Bad 7. Dry 8. Beautiful
Now type the SUPERLATIVE of the words in parentheses.