单项选择题
A. It lies in a sense of fulfillment. B. It lies in their rich imagination. C. It lies in the increase of their knowledge. D. It lies in the opportunity to continue the search.
A. Confident. B. Shocked. C. Nervous. D. Reluctant.
A. One dead, and the other two caught. B. Two dead, and the third caught. C. One dead, and the other two escaped. D. Two caught, and the third escaped.