A.I. Explanation:

Correct answer: imitation

Explanation: The word 'imitation' fits grammatically as a noun that describes the action of copying or mimicking, which aligns with the context of how younger children learn by observing and repeating. This maintains the logical flow of the sentence.

Meaning: 'Imitation' refers to the act of copying someone else's actions or behavior.

Wrong options:

• studying: 'Studying' is a gerund that implies a more formal and structured approach to learning, which does not fit the context of young children learning through observation.
• sharp: 'Sharp' is an adjective that describes something with a fine edge or point, which is unrelated to the learning process of children.
• playing: 'Playing' is a gerund that suggests a recreational activity rather than a method of learning, making it unsuitable in this context.

Correct answer: orally

Explanation: The adverb 'orally' describes the manner in which children learn, indicating that they learn best through spoken language. This fits grammatically and contextually as it relates to the methods of teaching mentioned.

Meaning: 'Orally' means through spoken words, as opposed to written or visual methods.

Wrong options:

• studying: 'Studying' is a gerund that refers to the act of learning, but it does not specify the method of learning as 'orally' does.
• creatively: 'Creatively' is an adverb that describes doing something in an imaginative way, which does not fit the context of how children learn.
• memorised: 'Memorised' is a past participle that refers to something learned by heart, which does not describe the manner of learning.

Correct answer: memorised

Explanation: The word 'memorised' is a past participle that indicates something has been learned by heart. It fits grammatically as it describes the action of the teacher in relation to storytelling.

Meaning: 'Memorised' means to have learned something so well that it can be recalled without reference.

Wrong options:

• studying: 'Studying' is a gerund that implies a process of learning, but it does not fit the context of recalling a story.
• playing: 'Playing' is a gerund that refers to engaging in an activity for enjoyment, which does not relate to the context of storytelling.
• sharp: 'Sharp' is an adjective that does not relate to the context of learning or storytelling.

Correct answer: increases

Explanation: The verb 'increases' fits grammatically as it describes the action of growth in maturity over time. It aligns with the context of discussing how children's maturity develops.

Meaning: 'Increases' means to become greater in size, amount, or degree.

Wrong options:

• studying: 'Studying' is a gerund that does not fit the context of describing a change in maturity.
• sharp: 'Sharp' is an adjective that does not relate to the concept of maturity or growth.
• playing: 'Playing' is a gerund that refers to an activity rather than a change in maturity.

Correct answer: creative

Explanation: The adjective 'creative' describes the type of thinking that older children need to develop. It fits grammatically and contextually as it aligns with the skills mentioned.

Meaning: 'Creative' refers to the ability to produce original ideas or things.

Wrong options:

• studying: 'Studying' is a gerund that does not describe a type of thinking and is not appropriate in this context.
• sharp: 'Sharp' is an adjective that describes something with a fine edge, which does not relate to thinking skills.
• playing: 'Playing' is a gerund that refers to an activity rather than a cognitive skill.