Question

complete the sentence with the correct comparative or superlative adverb.
its clear that members of the newton debate team prepared
than their opponents.
well

Explanation:

The sentence is comparing the preparation of the Newton debate team and their opponents, so we need the comparative form of the adverb "well". The comparative form of "well" (when used as an adverb meaning in a good manner) is "better".

Answer:

better