Question

someone is standing ------- the door .fill in the blanks with Preportion​

Answer 1

Someone is standing at the door.

'At' is a preposition

• A preposition is any word that is used to connect nouns, pronouns, words, or phrases, in a sentence.
• It is used to link nouns with any object, place, time, or location to glue a sentence together properly.
• Without prepositions, a sentence cannot be grammatically correct.
• Some examples are, in, at, into, behind, upon, on, of, off, over, etc.