完形填空

　　Today our class visited the Museum of Natural History. We went to see the new 1 show. At first I wasn't 2 in seeing dinosaur skeleton (骨骼). Why would anyone want 3 about something that's not around any more?

　　First we walked 4 a big room. I saw the skeleton of a large animal. It almost 5 the room. Two huge, dark holes 6 its head looked back at me. It was dinosaur Sue.

　　Our guide told 7 all about Sue. He told us to look at her 8 . Sue had 60 of them. They were long and sharp. One tooth looked as 9 as my school ruler. The guide said the dinosaur's teeth showed that she was a meat eater. I'm glad I wasn't around when the dinosaurs were alive. I might have been lunch.

　　As I looked at it, I wondered what the dinosaur had looked 10 when it was alive. No one knows what 11 dinosaurs were, but I pictured it as brownish-grey. I could see it going through the grass and trees searching for food.

　　Suddenly I realized that the skeleton had once belonged (属于) to a 12 animal here on Earth. It made me think about other 13 that had once lived here. Now I 14 why people want to learn about these animals. 15 would be very exciting to find a dinosaur skeleton.