If you had joined the chat room ten minutes ago,you would ha
If you had joined the chat room ten minutes ago,you would have known what we about.
If you had joined the chat room ten minutes ago,you would have known what we about.
A.Talkedx05 B.have talked C.were talking D.would talk
为何A选项不是呢?
如果你十分钟以前进入聊天室的话,你就会知道我们在谈论什么内容.