问题
选择题
—Why did you buy so many flowers?
--Because today is a special day. My parents ________ for twenty years .
A．married
B．got married
C．have been married
D．have married
答案
答案：C
此题考查延续性动词和非延续性动词之间的区别。Got married， married，have married是非延续性动词，不能跟段时间状语连连用。