________ more careful, his ship would not have sunk. 
#89375
A
If the captain were
B
Had the captain been
C
Should the captain be
D
If the captain would have been
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Please open the window, _____?
#90215
A
can’t you
B
aren’t you
C
do you
D
will you
 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