问题
选择题
My grandparents _________for fifty years and they are both quite healthy now.
A．marry
B．have been married
C．are married
D．have gotten married
答案
B
题目分析: 句意：我的祖父母已经结婚50年了，现在他们两个都相当健康。marry结婚，瞬间动词，现在完成时中与表一段时间连用时，需转换成延续性动词，故选B.