单项选择题
A.pleased: ecstatic B.buoyant: obstinate C.busy: occupied D.persistent: daunted E.curious: inquisitive
A.hopeless … boost B.appealing … undermine C.contentious … inflame D.draconian … damage E.suspect … radicalize
A.recourse … negligible B.symptoms … minute C.cure … significant D.fever … active E.hope … incipient