单项选择题 An enlarged prostate may ______ the bladder and pinch off the urethra, causing pain and difficulty with urination.

单项选择题 The news you told me the other day has yet to be ______ .

单项选择题 Confucianism has evolved into a culture of rationalistic traditionalism, a combination of traditional ______ and group virtues with a pragmatism shaped by the conditions of a new competitive environment.