This is a brief 25-question quiz based on the kinds of questions typically asked in the SAT Critical Reading: Sentence Completion section. Most of these questions involve testing on your vocabulary.
Steadfast
Deceitful
Periodic
Sinful
Numerous
Daunting ... parasite
Evil ... pariah
Doubtful ... hypocrite
Considerable ... liar
Destructive ... bridge-builder
Sacrilege
Precipitate
Construct
Adoration
Peril
Tyrannical
Cunning
Amorous
Qualified
Cannonical
Scorned ... choose
Assisted ... dismantle
Distrusted ... discern
Questioned ... profligate
Arraigned ... decide
Procreate
Parade
Fathom
Pinnacle
Preempt
Innundated
Capitulated
Berated
Captivated
Irritated
Affections
Concoctions
Merits
Idiosyncracies
Corrections
Awarded
Completed
Mismanaged
Enamored
Conducted
Supressing
Repressing
Collaborating
Piecing
Permitting
Temporal
Ecclesiastic
Archaic
Mundane
Pointed
Trough
Pinnacle
Vestibule
Dormitory
Foyer
Picked
Balked
Cried
Poured
Tryst
Ambivalent
Consoling
Irrational
Penalizing
Transparent
Correct
Pinpoint
Update
Anticipate
Motivate
Pretentious
Conducive
Respective
Surreptitious
Demonic
Orate
Terminate
Divulge
Coopt
Rinse
Editorial
Diversion
Despot
Iconoclast
Hussar
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Here's an interesting quiz for you.