In the question, you are asked to complete sentences with collective nouns. Collective nouns are words that describe a group of people, animals, or things. Here are the collective nouns used in each sentence:
A pride of lions: A 'pride' is a collective noun specifically used for a group of lions.
A school of fish: 'School' is commonly used to describe a group of fish swimming together.
A herd of cows: 'Herd' is a term used for a group of cows, and it can also apply to other animals such as sheep or elephants.
A bunch of bananas: 'Bunch' is often used to refer to a cluster of bananas.
A swarm of bees: 'Swarm' is typically used to describe a large group of bees moving together.
A group of people: 'Group' is a general term for a number of people gathered together.
These collective nouns help to specifically name and describe collections of certain items or beings, making descriptions more precise and sometimes adding imagery to the language used.