A.I. Explanation:

Correct answer: save

Explanation: The verb 'save' fits grammatically as it indicates an action that can be performed by the subject 'you.' Contextually, it aligns with the idea of reducing costs through wise purchasing decisions.

Meaning: 'Save' means to keep money from being spent or to reduce expenses.

Wrong options:

• adopt: 'Adopt' is a verb that means to take up or start to use something, which does not fit the context of reducing costs.
• in: 'In' is a preposition that does not convey an action related to money management.
• best: 'Best' is an adjective that describes quality, not an action, making it unsuitable here.
• simple: 'Simple' is an adjective that describes something easy, which does not relate to the action of saving money.
• with: 'With' is a preposition that does not indicate an action and does not fit the sentence structure.
• appliance: 'Appliance' is a noun referring to a device, which does not fit as an action in this context.
• model: 'Model' is a noun that refers to a type of item, which does not fit as an action related to saving money.

Correct answer: simple

Explanation: The adjective 'simple' describes the example of a hairdryer, indicating that it is straightforward and easy to understand. This fits grammatically and contextually as it sets up the example clearly.

Meaning: 'Simple' means easy to understand or uncomplicated.

Wrong options:

• model: 'Model' is a noun that refers to a specific type of item, which does not describe the nature of the example.
• adopt: 'Adopt' is a verb that does not fit as it does not describe the example being presented.
• in: 'In' is a preposition that does not provide a descriptive quality to the example.
• save: 'Save' is a verb that does not describe the example and is not grammatically appropriate here.
• best: 'Best' is an adjective that indicates superiority, which does not fit the context of describing an example.
• with: 'With' is a preposition that does not provide any descriptive quality to the example.
• appliance: 'Appliance' is a noun that refers to a device, which does not describe the nature of the example.

Correct answer: best

Explanation: The adjective 'best' fits grammatically as it describes the quality of the buy being discussed. Contextually, it indicates that the choice is the most favorable among options.

Meaning: 'Best' refers to the highest quality or most advantageous option.

Wrong options:

• model: 'Model' is a noun that does not describe the quality of the purchase and is not appropriate in this context.
• adopt: 'Adopt' is a verb that does not fit as it does not describe the quality of the buy.
• in: 'In' is a preposition that does not provide a descriptive quality to the buy.
• save: 'Save' is a verb that does not describe the quality of the purchase and is not grammatically appropriate here.
• simple: 'Simple' is an adjective that describes ease, not quality, making it unsuitable in this context.
• with: 'With' is a preposition that does not provide any descriptive quality to the buy.
• appliance: 'Appliance' is a noun that refers to a device, which does not describe the quality of the purchase.

Correct answer: in

Explanation: The preposition 'in' fits grammatically as it indicates the context of the price being discussed. It aligns with the phrase 'in price' to specify the cost aspect.

Meaning: 'In' is used to indicate a state or condition, in this case, referring to the price.

Wrong options:

• model: 'Model' is a noun that does not fit grammatically or contextually as it does not relate to the price.
• adopt: 'Adopt' is a verb that does not fit as it does not relate to the context of price.
• save: 'Save' is a verb that does not fit as it does not indicate a relationship to price.
• simple: 'Simple' is an adjective that does not relate to the context of price.
• best: 'Best' is an adjective that does not fit grammatically in this context.
• with: 'With' is a preposition that does not convey the intended meaning regarding price.
• appliance: 'Appliance' is a noun that does not relate to the context of price.

Correct answer: model

Explanation: The noun 'model' fits grammatically as it refers to a specific type of hairdryer. Contextually, it indicates a comparison between different types of hairdryers.

Meaning: 'Model' refers to a specific version or type of an appliance.

Wrong options:

• adopt: 'Adopt' is a verb that does not fit as it does not refer to a type of hairdryer.
• in: 'In' is a preposition that does not fit as it does not refer to a type of item.
• save: 'Save' is a verb that does not fit as it does not refer to a type of hairdryer.
• simple: 'Simple' is an adjective that does not refer to a type of hairdryer.
• best: 'Best' is an adjective that does not fit as it does not refer to a type of hairdryer.
• with: 'With' is a preposition that does not refer to a type of hairdryer.
• appliance: 'Appliance' is a noun that refers to a device in general, not a specific type of hairdryer.