Meaning: 'Adopt' means to take on or start using a new method or idea, which in this context refers to embracing a diverse marketing strategy.

Wrong options:

• adept: 'Adept' is an adjective meaning skilled or proficient, which does not fit the grammatical structure needed here as it cannot function as a verb in this context.
• adapt: 'Adapt' means to adjust or modify something, which does not fit the context of taking on a new approach; it implies change rather than the initiation of use.
• adoptive: 'Adoptive' is an adjective that describes a relationship formed by adoption, which is irrelevant to the context of implementing a marketing strategy.

Correct answer: enhance

Explanation: The word 'enhance' is the correct form of the verb needed in this context, as it follows 'to' indicating an infinitive verb form. It fits grammatically and contextually as it describes the action of improving customer engagement.

Meaning: 'Enhance' means to improve or increase the quality, value, or extent of something, which in this case refers to improving customer engagement.

Wrong options:

• enhancing: 'Enhancing' is a gerund form and does not fit after 'to,' which requires the base form of the verb.
• enhanced: 'Enhanced' is the past participle form, which does not fit the structure needed after 'to' in this context.
• enhances: 'Enhances' is the third person singular present tense form, which does not fit the infinitive structure required here.

Correct answer: bolster

Explanation: The word 'bolster' is the base form of the verb that fits the sentence structure following 'could,' indicating a potential action. It aligns grammatically and contextually with the intention to strengthen the authenticity of the brand.

Meaning: 'Bolster' means to support or strengthen something, which in this context refers to enhancing the credibility of the brand through customer testimonials.

Wrong options:

• bolsters: 'Bolsters' is the third person singular present tense form, which does not fit the modal verb 'could' that requires the base form.
• bolstered: 'Bolstered' is the past participle form, which does not fit the context of a potential action indicated by 'could.'
• bolstering: 'Bolstering' is a gerund form and does not fit after 'could,' which requires the base form of the verb.

Correct answer: goals

Explanation: The word 'goals' is the plural noun that fits the context of discussing multiple objectives in a marketing strategy. It aligns grammatically as it follows 'our overall marketing,' indicating that there are multiple aims.

Meaning: 'Goals' refers to the desired outcomes or objectives that the marketing campaign aims to achieve, which is relevant to the context of the discussion.

Wrong options:

• goal: 'Goal' is the singular form, which does not match the plural context implied by 'our overall marketing,' suggesting multiple objectives.
• goaled: 'Goaled' is a non-standard form that is not commonly used in English and does not fit the context of discussing marketing objectives.
• goaling: 'Goaling' is a gerund form that does not fit the context of the sentence, which requires a noun to describe the objectives.