◎ 题干
---I called you yesterday evening, but there was no answer.
      ----- Oh, I’m sorry. I _____ dinner at a restaurant at that time.
A.haveB.hadC.was havingD.have had
◎ 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“---I called you yesterday evening, but there was no answer. ----- Oh, I’m sorry. I _____ dinner at a restaurant at that time.A.haveB.hadC.was havingD.have ha…”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。