My grandparents for fifty years and they are both quite healthy now.A. marryB. have been m

问题补充：

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：

A. marry

(答案→)B. have been married

C. are married

D. have gotten married

解析：

试题分析: 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.