We stopped the car trip because my brother felt sick. fortunately, we found a rest stop just when we needed it. which part of speech describes the word stop in the sentences? a) it is a noun in sentence 1, and a verb in sentence 2. b) it is a verb in sentence 1, and a noun in sentence 2. c) it is a noun in sentence 1, and an adverb in sentence 2. d) it is a verb in sentence 1, and an adjective in sentence 2.