◎ 题干
--I don't think we have met before.
--Yes, once at a party, but we___________.
A.weren't introducedB.didn't introduce
C.haven't introducedD.were not introducing
◎ 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 don't think we have met before.--Yes, once at a party, but we___________.A.weren't introducedB.didn't introduceC.haven't introducedD.were not introduci…”主要考查了你对  【可数名词及其单复数】【动名词】【表语从句】【缩写与简写】  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。