What are they?
Wings
What are they?
EGGS
What are they?
Skin / scales / feather / fur
What is this?
Mammals
What is it?
Amphibians
What are they?
Gills
What is it?
A hard shell
What is she doing?
She is breathing (breath: thở)
What is it?
Fin : vây cá
What is the hen doing?
She is laying egg. (lay egg: đẻ trứng)
Where are the cats?
Inside and outside
How are dolphins and tigers?
Dolphin is safe and tiger is dangerous
