2. Why do frogs fly? Because the frog ate this bean.

3. Why does an eagle fly? -because the eagle can fly (many people will say that because the eagle ate the frog ~)

Another one:

What kind of mouse walks on two feet? -Mickey Mouse

What duck walks on two legs? All ducks walk on two feet (many people will say Donald Duck).

Everyone is interrelated. Don't disturb the order so that people can walk around.