单项选择题
A．过去玛丽和她老师很自豪地说话，这是可以理解的
B．玛丽过去和她老师说话时，是可以理解的自豪。
C．玛丽过去和她老师可以理解地说话，也很自豪。
D．玛丽过去和她老师说话时很自豪，这是可以理解的。
单项选择题 Their father had tried to fly around the world but failed．That was in 1931．（）
单项选择题 People who have held these positions of authority are greatly respected，and it usually is of benefit to them later in their career．（）
单项选择题 She had explained that ongoing interviews were the only way to keep the case in the public consciousness（）