Fill in the blanks with suitable prepositions: Write this exercise either ______ ink or ______ pencil. (a) With/no preposition (b) In/in (c) By/by (d) Of/of
The correct option is (b). A preposition is a word or a set of words that indicates the location or some other relation between a noun or a pronoun and other parts of the sentence. Hence the correct answer is (b) i.e write this exercise either in ink or in pencil.