If the word in brackets is an adjective, you should transform it to an adverb. E.g. change "loud" to "loudly" before filling in.
An adverb is a word that modifies or qualifies an adjective, verb, or another adverb. Many adverbs end in “-ly”: quickly loudly badly financially truthfully delicately expertly randomly
Some adverbs tell the place of an action, or where it occurred: here there everywhere inside upstairs
Some adverbs tell when an action occurred, or its time: first early yesterday later often never monthly always
Some adverbs can describe to what extent something was done or action was executed: only quite very too rather almost also almost