Question 1-8 refer to the following passage from a book about birds.

When people think of cranes, they often think of beautifully folded origami birds. These paper birds, however, are designed after a real bird. If a crane (1)... a paper crane, he wouldn't think it looked like him at all. (2)... the beauty of the crane, the Japanese (3)... to copy it by folding paper. Cranes are large wings, long legs, and long necks. When they fly, they fly with their neck stretched out. It's (4)... they were not afraid of anything. Cranes do very interesting dances in order to mate. If they (5)... short and short necks, these dances wouldn't be so fun to watch. Most species of cranes are endangered. People in the world wish they (6)... this problem. (7)... we started finding ways to save the crane population. I would rather people (8)... about cranes than about anything else!