Had I known about this computer program, a huge amount of time and energy       .
#87058
A
would have been saved
B
had been saved
C
will be saved
D
was saved
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I wish that you _____ such a bad headache because I’m sure that you would have enjoyed the concert.
#89361
A
hadn’t     
B
didn’t have had
C
hadn’t had   
D
hadn’t have
 We      the postcards yesterday, but it didn’t arrive.
#87363
A
should receive
B
ought to receive
C
ought to have received
D
must have received