When a pencil is partly in a glass of water, it looks as if it ______.
#90526
A
breaks
B
has broken
C
were broken
D
had been broken
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They received demands that the work ________ at once.
#86906
A
must be done
B
would be done
C
had been done
D
be done
It’s a shame ______ able to give them any advice.  
#87215
A
not to have been
B
to have not been
C
to have been not
D
to not have been
—Did you visit the museum today?—No. We _____ it, but we spent too much time shopping.
#87259
A
could have visited
B
must have visited
C
could visit
D
must visit