A.recall
B.perform
C.forget
D.record

A.The manager admitted not having been very open-minded.
B.The manager promised to be very open-minded.
C.The manager regretted having been very open-minded.
D.The manager refused to have been very open-minded.

A.The manager admitted not having been very open-minded.
B.The manager promised to be very open-minded.
C.The manager regretted having been very open-minded.
D.The manager refused to have been very open-minded.

A.The suspect must have committed the crime.
B.The suspect was certain to commit the crime.
C.The suspect might have committed the crime.
D.Certain commitment of the crime was that of the suspect.

A.It is believed that the boys started the fire.
B.It is believed that the fire was started by the boys.
C.The boys started the fire was believed.
D.The boys were believed to start the fire.

A.has became
B.one of
C.most serious
D.social problems

A.To grow
B.a tree
C.well-suited
D.it was

A.enjoys listening
B.the works
C.classic composers
D.is studying

A.Assignments are just a waste of time.
B.I am scared of deadlines.
C.Thanks, but that won't be necessary.
D.I don't really like this assignment.

A.Why not?
B.I think that, too.
C.Yes, I'm afraid not.
D.Not completely.