Question

My uncle knocked __the door

Answer 1

Answer:

at the door

Explanation:

hope you get right answer

Answer 2

My uncle knocked at the door.

• We were supposed to fill in the given blank with the help of a correct preposition.
• Let us first understand the meaning of prepositions.
• A preposition is a word that can be used to define the relationship that pertains between the noun or pronoun and the rest of the sentence.
• Here the preposition "at" should be used because it is used when we want to indicate the location of something.