Question

Fill in the blank with a suitable preposition:

We are giving him a surprise party ________ his birthday.

• A. In
• B. At
• C. With
• D. On

Answer 1

Answer: (D)

On

A preposition is a word which comes before a noun or a pronoun and establishes a relationship between the elements of a clause or words. Option D)on is correct as it indicates an occasion. The other options are wrong as in, at, and with indicate inside something, a specific location, and inclusion respectively. These uses don't fit in the given question. The correct answer is D)on.