What is the .............animal in the world? It's cheetah
fastest
Which is ......................(high) building in the world?
the highest
Who is.............(fat) person in the world?
the fattest
What is the...........lake in the world? Lake Baika.
deepest
Angel................is the highest...............in the world.
waterfall
Which is the biggest..............in the world? The Pacific.....
ocean
What is the ...........river in the world?
widest
What is ............mountain in Vietnam? It's Fansipan.
the highest