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
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It is very important that you _______ for this examination.
#87731
A
get yourself prepared
B
must get yourself preparing
C
should get yourself prepare
D
could get yourself prepared
Bob said he was going to join our club but he didn’t. What a shame! He ______ his mind.
#87666
A
can’t have changed
B
mustn’t have changed
C
wouldn’t have changed
D
shouldn’t have changed
—Without your help, we _____ this task on time.—My pleasure.
#89291
A
don’t finish
B
will not finish
C
didn’t finish
D
would not have finished