◎ 题干
____ the chat room ten minutes ago, you would have known what we were talking about!
 [     ]
A. Had you joined in
B. If you joined
C. If you had joined in
D. Had you joined
◎ 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“____ the chat room ten minutes ago, you would have known what we were talking about! [ ]A. Had you joined in B. If you joined C. If you had joined inD. Had y…”主要考查了你对  【部分倒装】【省略句】【虚拟语气】  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。