Use the correct auxiliary verb

What … the biggest animal that has ever lived on the planet?

(a)  

What …World Wildlife Fund?

(a)  

What … World Wildlife Fund do?

(a)  

What damage … people done to animals and nature?

(a)  

… you a friend of the World Wildlife Fund?

(a)  

When … you hear about this organization?

(a)  

When …World Wildlife Day marked?

(a)  

How many species …under threat of extinct in 2019?

(a)  

…you celebrate World Wildlife Day in Belarus?

(a)  

What … people do to protect endangered animals in your country?

(a)