Articles (a/an/the/zero) exercises — Set 2: Using A/An: Jobs, Descriptions & First Mention (Multiple Choice)

Articles (a/an/the/zero) exercises online (Multiple Choice)

Practise when to use 'a' or 'an' — for jobs (She is a teacher), first mentions (I saw a cat), exclamations (What a nice day!), and the meaning 'per' or 'each' (twice a week).