A、proFEssor smith DoEsn’t holD sEminArs or DisCussions in his lECturEs.
B．stuDEnts somEtimEs FAll AslEEp in proFEssor smith’s lECturEs.
C．proFEssor smith’s lECturEs ArE AlwAys wEll-AttEnDE
D、
D、thE Front sEAts ArE vEry hArD to gEt on CAmpus.