A．provedB．demonstratedC．manifestedD．verified……

单项选择题A．settingB．catchingC．puttingD．going

单项选择题Which university did historian Patrice Higonnet graduate from

填空题The percentage of people who send cards to themselves on February 14 is ______.

填空题The probable relationship between the two speakers is doctor and ______.

单项选择题A．resulted fromB．given offC．turned upD．brought on