一Howlong       yourparents        ?    一Forabouttwentyy...

问题详情：

一How long        your parents         ?

     一For about twenty years.

     A.  did; marry                           B.  have; married

     C.  have; got married                 D.  have; been married

【回答】

D

知识点：动词时态

题型：选择题