单项选择题
The author believes that sporting activities（）.
A．are forms of biological development B．have actually developed from hunting C．are essentially forms of taming the prey D．have changed the ways of hunting
单项选择题 The first paragraph tells us that the author（）
单项选择题 One thing he felt regret for was that he never had the （） of hearing him play the piano.
单项选择题 I think your sister is old enough to know （）to spend all her money on fancy goods.
