Meaning: 'Spotlight' refers to a strong beam of light used to illuminate a specific area, metaphorically meaning to draw attention to something.

Wrong options:

• boom: The term 'boom' refers to a rapid increase or growth, which does not fit the context of drawing attention to an issue.
• shell: The word 'shell' typically refers to a hard outer covering and does not relate to the concept of attention or focus in this context.
• tone: The word 'tone' refers to the quality or character of sound or attitude, which does not convey the idea of highlighting or focusing attention.

Correct answer: expanded

Explanation: The verb 'expanded' is appropriate here as it indicates growth or increase in size or capacity, which fits the context of the Gulf state enhancing its infrastructure. It is grammatically correct as it matches the past tense used in the sentence.

Meaning: 'Expanded' means to increase in size, volume, or scope, indicating that the airport and other facilities were made larger or more capable.

Wrong options:

• exaggerated: 'Exaggerated' implies overstating something, which does not fit the context of physical development or growth.
• exacted: 'Exacted' means to demand and obtain something, usually with force, which does not apply to the context of infrastructure development.
• experienced: 'Experienced' refers to having gone through something, which does not convey the idea of growth or development in this context.

Correct answer: tournament

Explanation: The noun 'tournament' is the correct choice as it refers to a series of contests or competitions, specifically in sports, which aligns with the context of the World Cup. It fits grammatically as it serves as the subject of the sentence.

Meaning: 'Tournament' refers to a sporting event in which multiple competitors or teams participate, typically culminating in a final match or series of matches.

Wrong options:

• plagiarism: 'Plagiarism' refers to the act of copying someone else's work, which is irrelevant in the context of a sporting event.
• speculation: 'Speculation' means forming a theory without firm evidence, which does not relate to the concrete event of the World Cup.
• guarantor: 'Guarantor' refers to a person or entity that guarantees something, which does not fit the context of discussing a sporting event.

Correct answer: praised

Explanation: The verb 'praised' is suitable here as it indicates expressing approval or admiration, which fits the context of FIFA president Gianni Infantino commending the organizers. It is grammatically correct as it matches the past tense used in the sentence.

Meaning: 'Praised' means to express warm approval or admiration for someone or something, indicating that Infantino recognized the efforts of the organizers and volunteers.

Wrong options:

• predicted: 'Predicted' means to say what will happen in the future, which does not fit the context of acknowledging past actions.
• exclaimed: 'Exclaimed' implies a sudden cry or shout, which does not convey the formal recognition intended in this context.
• estimated: 'Estimated' means to roughly calculate or judge the value, number, quantity, or extent of something, which does not align with the act of commending.