A.I. Explanation:

Correct answer: appeal

Explanation: The word 'appeal' fits grammatically as a noun that refers to the attractive quality of the flight, aligning with the context of discussing its significance. It captures the essence of what makes the flight interesting or desirable, which is the main topic of the sentence.

Meaning: 'Appeal' means the quality of being attractive or interesting, indicating that the flight had a compelling aspect that drew attention.

Wrong options:

• appeal: The word 'beauty' implies aesthetic qualities, which may not fully encompass the broader attractiveness of the flight's significance.
• charm: While 'charm' suggests a pleasant quality, it is more subjective and less formal than 'appeal' in this context.
• allure: 'Allure' suggests a mysterious or seductive quality, which does not fit the straightforward context of the flight's significance.

Correct answer: resting

Explanation: The word 'resting' is appropriate here as it conveys the idea that the nation's pride is dependent on the success of the expeditions, fitting grammatically and contextually as it implies a state of reliance or support.

Meaning: 'Resting' means being based or dependent on something, indicating that the nation's pride was contingent upon the success of the expeditions.

Wrong options:

• leaning: 'Leaning' suggests a physical inclination and does not convey the same sense of dependence as 'resting.'
• waiting: 'Waiting' implies a state of anticipation, which does not accurately reflect the active dependence of pride on success.
• standing: 'Standing' suggests a position or status, which does not convey the idea of dependence as effectively as 'resting.'

Correct answer: committed

Explanation: The word 'committed' fits well as it indicates that resources were dedicated to the expeditions, aligning with the context of significant investment and support for their success.

Meaning: 'Committed' means to dedicate resources or efforts towards a particular cause or project, indicating a strong investment in the expeditions.

Wrong options:

• confided: 'Confided' means to trust someone with information, which does not fit the context of allocating resources.
• confirmed: 'Confirmed' implies validation or assurance, which does not relate to the allocation of resources in this context.
• commended: 'Commended' means to praise or express approval, which does not fit the context of resource allocation.

Correct answer: deal

Explanation: The word 'deal' is suitable as it refers to an agreement or arrangement, particularly in a business context, which fits the context of securing sponsorship.

Meaning: 'Deal' refers to an agreement or arrangement, especially in business, indicating that he secured a sponsorship through negotiation.

Wrong options:

• bargain: 'Bargain' implies a negotiation for a lower price, which does not fit the context of securing sponsorship as effectively as 'deal.'
• purchase: 'Purchase' refers to the act of buying, which does not accurately describe the process of obtaining sponsorship.
• transaction: 'Transaction' is a broader term that refers to any business deal, but it lacks the specific connotation of agreement that 'deal' provides.

Correct answer: raise

Explanation: The word 'raise' is appropriate as it indicates the action of gathering or increasing funds, fitting grammatically and contextually with the need for sufficient funds for the trip.

Meaning: 'Raise' means to collect or increase an amount of money, indicating the effort needed to secure funding for the trip.

Wrong options:

• elevate: 'Elevate' implies lifting something to a higher position, which does not fit the context of gathering funds.
• lift: 'Lift' suggests a physical action of raising something, which does not apply to the context of financial support.
• build: 'Build' implies constructing something, which does not accurately convey the action of gathering or increasing funds.