Complex sentence: Alexander spent five years as a library assistant in Liverpool before she began her acting career in 1949 at the Adelphi Guild Theatre in Macclesfield; she later worked in rep in Oldham, Stockport and York.
Split into simpler sentences: Alexander spent five years as a library assistant in Liverpool before she began her acting career in 1949 at the Adelphi Guild Theatre in Macclesfield. She later worked in rep in Oldham, Stockport and York.