It is so cold here in Zhengzhou this winter that it seems as if we ______ in Iceland.
#86662
A
are
B
have been
C
were
D
had been
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He______the job well, but he______so careless.
#90541
A
had done; had been
B
could do; was
C
could have done; was
D
hadn’t done; had been
They urged that the library ______ open during the vacation.
#86800
A
must be kept
B
is kept
C
would be kept
D
be kept
________ 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