语法填空
I am a nature photographer and have to brave the elements. But despite the wind and the rain I still enjoy working outside in 4 wild. I can observe animals in their 5 (nature) environment. My favorite place 6 (take) photos is Yellowstone National Park, 7 is famous for the variety of its wildlife but is probably best known for 8 (it) bears. 9 (weigh) up to 300 kilograms, the bears can run at about 64 kilometres per hour and are also excellent swimmers. Last spring I followed a path through dark forest. I 10 (enjoy) the breathtaking view when I felt I was being watched. Slowly I turned and 11 (freeze). Only metres away was a bear, with water 12 (fall) off its hair. Though I was very frightened, I pressed the button. A second later, the bear ran back into the forest and I got a photo of it. I realized that it is we who are the visitors 13 their world.