If you had joined the chat room ten minutes ago, you _____ what we were talking about.
#87950
A
will know
B
are knowing
C
can know
D
would have known
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Eliza remembers everything exactly as if it _________ yesterday. 
#90453
A
was happening
B
happens
C
has happened
D
happened
______ it______ for your help,I couldn't have made any progress.
#86915
A
Had;not been      
B
Should;not been
C
Did;not been      
D
Not;be
The young man insisted that he_____nothing wrong and___free. 
#89951
A
did; set
B
had done; should be set
C
do; be set
D
had done; must be set