What phrase describes the act of accepting a job offer?

The phrase "took up" in the context of job offers implies a decisive action of accepting the offer and committing to the role. It indicates that Anna not only agreed to the job but has actively engaged with the opportunity presented to her. This expression aligns well with the original inquiry about the act of accepting a job offer, as it conveys both acceptance and initiation into that role.

In contrast, the other phrases do not convey the same level of commitment or the specific action of accepting a job offer. "Approved of" suggests a sense of approval or liking for the job, rather than actively accepting it. "Accepted the position" also works well but lacks the nuance of actively taking on the offer. Similarly, "grabbed the opportunity" might imply a hurried action but does not specifically denote formal acceptance of a job offer. Each of these phrases tends to focus on different aspects of the job offer experience, while "took up" captures the essence of the commitment to accepting the position directly.