Meaning: 'Well' means in a good or satisfactory manner, indicating that the interest in well-being is positively correlated with rising incomes.

Wrong options:

• expansion: 'Expansion' is a noun and does not fit grammatically in this context, as it cannot modify 'as' in the same way an adverb can.
• enjoyed: 'Enjoyed' is a verb form that does not fit the structure of the sentence, as it cannot serve as a modifier for 'as'.
• on: 'On' is a preposition and does not fit grammatically in this context, as it does not modify the verb 'as'.

Correct answer: expansion

Explanation: The word 'expansion' is a noun that fits grammatically as the subject of the clause, indicating a growth or increase in the number of fitness and recreation centers. It aligns contextually with the preceding sentence about increased spending on health and fitness.

Meaning: 'Expansion' refers to the process of increasing in size, number, or importance, which in this case relates to the growth of fitness centers.

Wrong options:

• good: 'Good' is an adjective and does not fit grammatically as a noun in this context, failing to convey the idea of growth.
• movement: 'Movement' is a noun but does not specifically indicate an increase in quantity, making it less precise than 'expansion'.
• lacked: 'Lacked' is a verb and does not fit grammatically, as it cannot serve as a subject in this context.

Correct answer: enjoyed

Explanation: The word 'enjoyed' is the past tense of the verb 'enjoy', which fits grammatically as it describes the success that golf courses experienced. It aligns contextually with the sentence, indicating that the renewed interest led to increased success in golf.

Meaning: 'Enjoyed' means to have taken pleasure in or benefited from something, indicating that golf courses had a positive experience in terms of success.

Wrong options:

• smooth: 'Smooth' is an adjective and does not fit grammatically as a verb in this context, failing to convey the action of experiencing success.
• modelling: 'Modelling' is a gerund and does not fit grammatically as it does not convey the idea of success in this context.
• played: 'Played' is a verb that does not fit the context of success, as it does not convey the idea of experiencing success.

Correct answer: on

Explanation: The preposition 'on' fits grammatically as it indicates the subject of spending, specifying what the households spent their money for. It aligns contextually with the sentence, which discusses expenditures related to recreation.

Meaning: 'On' indicates the subject of expenditure, meaning that the spending was directed towards recreation activities.

Wrong options:

• of: 'Of' is a preposition that does not fit grammatically in this context, as it does not indicate the purpose of spending.
• for: 'For' is a preposition that could imply purpose but does not fit as well as 'on' in this specific context of expenditure.
• with: 'With' is a preposition that does not convey the intended meaning of expenditure in this context, making it grammatically incorrect.