单项选择题
All living creatures pass on inherited traits from one generation to other.（）
A. the other B. another C. others D. other one
单项选择题 He is the most intrepid explorer in the present century.（）
单项选择题 She bustled about with an assumption of authority.（）
单项选择题 The guest turned upside down his glass as a signal that he would drink no more.（）
