Answer: Option C. -> at Prepositions are words that link nouns, pronouns and phrases to other words in a sentence. They show a relationship between the words in a sentence in terms of time, place, direction, cause, manner, etc. The preposition 'at' is used to indicate a location or position. Therefore, the most appropriate preposition to use in the given sentence is 'at'. The sentence can be rewritten as: I was disappointed at not finding the doctor in his seat. The preposition 'at' indicates that the speaker was expecting to find the doctor in his seat but was unable to do so. Definition of 'at': At: (preposition) 1. In or near a particular place or position 2. In the direction of or facing 3. Used to indicate the time of day, night, or year Examples: 1. She was standing at the door. 2. He was looking at me. 3. We are leaving at 5 o'clock.
Question 27.
Choose the most appropriate preposition: Let this be an example ________ the troublemakers.