Is he in his room? In the above sentence, the word "In" is a:
Is he in his room? In the above sentence, the word "In" is a:
Explanation
Several words are sometimes used as adverbs or sometimes used as prepositions.
A word is a preposition when it governs a noun or a pronoun, It is an adverb when it does not.
Don’t run around. “Around” is an adverb here
Don’t loiter around the street. “Around” is a preposition here
Do you want to come in? “In” is an adverb here
Is he in his room? “In” is a preposition here