◎ 题干
---How long __________ your parents ___________?
---For about twenty years.
A.did, marryB.have, married
C.have, got marriedD.have, been married
◎ 答案
查看答案
◎ 解析
查看解析
◎ 知识点
    根据n多题专家分析,试题“---How long __________ your parents ___________? ---For about twenty years.A.did, marryB.have, marriedC.have, got marriedD.have, been married…”主要考查了你对  【一般现在时】【过去进行时】【过去完成进行时】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。