Question

I was amazed ____ her brilliant performance.

Preposition......​

Answer 1

'at' is the answer mate

Answer 2

I was amazed at her brilliant performance.

• 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 tell the location of something.