The middle class was not yet active in political life.

He has been active in the music industry since the early 1990s.

He has been active in the music business since 1973.

She was active in her private practice until several weeks ago.

He has been quite active in public life right from his school days.

He is also active in the field of book art.

He has been active in the music business since the late 1980s.

He has been very active in the last two years.

They are most active early and late in the day.

She was also active in the campaign for human rights.