If you had joined the chat room ten minu
问题:
If you had joined the chat room ten minutes ago, you _____ what we were talking about.
A.will know
B.are knowing
C.can know
D.would have known
If you had joined the chat room ten minutes ago, you _____ what we were talking about.
A.will know
B.are knowing
C.can know
D.would have known