If you had joined the chat room ten minutes ago, you _____________what we were talking about.  
#87954
A
would know
B
would have known
C
knew
D
had known
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Thank you for all your hard work last week.I don’t think we ______ it without you. 
#90551
A
can manage
B
could have managed
C
could managed
D
can have managed
--Why are you so depressed, Lily? --- I lost the contest narrowly, or I _________ the award of $10,000.
#87033
A
had gained
B
would have gained
C
would gain
D
must have gained
We ___ to the farm last week.
#88935
A
had
B
needed to
C
didn’t
D
had to go