Meaning: 'Career' refers to the series of jobs or professional experiences that someone has in a particular field, in this case, photography.

Wrong options:

• invitation: 'Invitation' refers to a request for someone to attend an event, which does not relate to the context of celebrating a professional milestone.
• promotion: 'Promotion' typically refers to the advancement in rank or position, which is not the focus here as the text discusses a duration of work rather than a specific advancement.
• training: 'Training' implies the process of learning skills for a job, which does not fit the context of celebrating a long-term professional achievement.

Correct answer: figures

Explanation: The word 'figures' is the correct choice as it refers to notable individuals, which is contextually appropriate given that the portraits depict key personalities in various fields. It fits grammatically as a plural noun that aligns with the context of the sentence.

Meaning: 'Figures' in this context means important people or notable individuals, particularly in literature, film, and fashion.

Wrong options:

• gadgets: 'Gadgets' refers to small mechanical devices or tools, which does not relate to the context of portraits depicting people.
• fashions: 'Fashions' refers to styles of clothing or trends, which does not fit as the focus is on individuals rather than clothing styles.
• genres: 'Genres' refers to categories of artistic composition, which does not apply to the context of depicting specific individuals.

Correct answer: between

Explanation: The word 'between' is the correct preposition that indicates a range of time, fitting grammatically and contextually as it specifies the years during which the photographs were taken. It logically connects the two years mentioned in the sentence.

Meaning: 'Between' indicates a time span or range, in this case, from 1960 to 1964.

Wrong options:

• besides: 'Besides' implies in addition to, which does not fit the context of specifying a time range.
• behalf: 'Behalf' refers to representing someone else, which is irrelevant in the context of time.
• behind: 'Behind' indicates a position at the back of something, which does not relate to the time frame being discussed.

Correct answer: sets

Explanation: The word 'sets' is the appropriate choice as it refers to locations where films are made, fitting grammatically as a plural noun that aligns with the context of photography taken on film sets. It logically connects to the idea of behind-the-scenes photography.

Meaning: 'Sets' refers to the locations or environments where film or television productions take place.

Wrong options:

• gists: 'Gists' refers to the main points or essence of something, which does not relate to the context of photography.
• tickets: 'Tickets' are passes for entry to events, which is unrelated to the context of photography or film production.
• aisles: 'Aisles' refer to passageways between rows of seats or shelves, which does not fit the context of photography on film sets.