501. PERFUNCTORILY : INSPIRATION ::
A. insolently : veneration
B. ardently : passion
C. phlegmatically : composure
D. surreptitiously : obsession
E. haltingly : reluctance

502. RELEVANT : CRUCIAL ::
A. marginal : unique
B. perceptible : obvious
C. apparent : real
D. peripheral : central
E. possible : desirable

503. CANVAS : PAINTER ::
A. leather : shoe
B. brush : palette
C. chisel : wood
D. marble : sculptor
E. hammer : carpenter

504. TROUBLED : DISTRAUGHT ::
A. annoyed : disillusioned
B. disturbed : interrupted
C. covetous : rapacious
D. outmoded : ostentatious
E. tranquil : placid

505. MERCENARY : MONEY ::
A. vindictive : revenge
B. scholarly : library
C. immaculate : cleanliness
D. thirsty : water
E. belligerent : invasion

506. SKIRMISH : INSIGNIFICANCE ::
A. revolution : democracy
B. duel : formality
C. feud : impartiality
D. bout : sparring
E. crusade : remoteness

507. COMPLAIN : CARP ::
A. supply : donate
B. argue : debate
C. grumble : accuse
D. drink : guzzle
E. pacify : intervene

508. REDOUBTABLE : AWE ::
A. tart : pungency
B. tacit : solitude
C. despicable : contempt
D. engrossing : obliviousness
E. venerable : renown

509. TILE : MOSAIC ::
A. wood : totem
B. stitch : sampler
C. ink : scroll
D. pedestal : column
E. tapestry : rug

510. COOL : FROZEN ::
A. Sharp : Cut
B. Warm : Hot
C. Hassock : Stool
D. Freedom : Liberty