It is a Sat sentence completion quiz.
Trudges
Rages
Meanders
Edges
Garrulous
Equivocal
Taciturn
Gregarious
Free----fettered
Enthralled-----rejected
Pinioned-----limited
Enfranchised-----rejected
Stimulating----interesting
Worthwhile-----valueless
Germane-----relevent
Abstruse-----incomprehensible
Muddy
Pellucid
Rancid
Stagnant
Wait!
Here's an interesting quiz for you.