Answer:
Letter B. Preposition
A Preposition is a word which shows relationship among other words in a sentence. it links Noun, Pronoun and Phrases to other words in a sentence.
Prepositions and postpositions, together called adpositions, are a class of words used to express spatial or temporal relations or mark various semantic roles. A preposition or postposition typically combines with a noun phrase, this being called its complement, or sometimes object.
A preposition is a word or group of words used before a noun, pronoun, or noun phrase to show direction, time, place, location, spatial relationships, or to introduce an object. Some examples of prepositions are words like "in," "at," "on," "of," and "to."
A preposition usually precedes a noun or a pronoun. Here is a list of commonly used prepositions: above, across, against, along, among, around, at, before, behind, below, beneath, beside, between, by, down, from, in, into, near, of, off, on, to, toward, under, upon, with and within.
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