State the part of speech of the underlined word:
He looked above in the sky.

- 'Above' in the given sentence is an 'adverb'.
- 'An adverb' is a word that qualifies a verb, an adjective, and an adverb itself.
- According to the above explanation 'above' is an adverb as it describes the verb 'looked'.
- Thus, option 4 will be the correct answer.