His 16. no underlined thing 17. lets ride the sled down the hill 18. nothing is underlined 19. <span>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. (e.g., </span>gently<span>, </span>quite<span>, </span>then<span>, </span>there<span> ).</span> 20. <span>After the record snowfall, our mood turned sour. </span>