He spent his last years in work on spiritualistic research.

His last years were spent in educational and philanthropic work.

The next five minutes were spent in genuine hard work.

She spent much of her career in administrative work and with government agencies.

A survey once showed that some spent more than 40 hours a week in unpaid work.

Much of his early years on the force was spent in undercover work.

Ms. Emory has spent her professional life in social work, with music never far away.

His later years were spent in charitable work and writing.

Throughout different cultures of the world, women spend more total hours in work than men do.

Much of his life was spent in literary work.