(a)verb (b)adverb(c)adjective (d)noun???? 'Perfect' is a verb in that sentence: this is evident because it is preceded by an auxiliary verb, 'must'.
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Anonymous i must PERFECT theoperation to make the perfect robot.(a)verb (b)adverb(c)adjective (d)noun????'Perfect' is a verb in that sentence: this is evident because it is preceded by an auxiliary verb, 'must'.