Respuesta :
carefully is an adverb because it is said before doing any work. and this defines that the work must be done very watchfully or guarded . and an adverb is a word or phrase that modifies or qualifies an adjective, verb, or
other adverb or a word group, expressing a relation of place, time,
circumstance, manner, cause, degree, etc.
so careful is an adverb....
so careful is an adverb....
