Grammar exercises · 12 questions

Oxford comma exercises

In short

Test yourself on oxford comma with 12 interactive questions. Every answer comes with an explanation — and if you get one wrong, the AI tutor can explain exactly why your answer didn't work.

Question 1 of 12

Which sentence is punctuated correctly?

Shaky on the rule?

Guessing gets you through a quiz; understanding gets you through the exam. Read the full Oxford comma lesson The Oxford comma (or serial comma) is the optional comma placed before 'and' or 'or' at the end of a list of three or more items: 'coffee, tea, and juice.' Both using it and dropping it are correct in standard English — the only rule that matters is staying consistent throughout the same piece of writing.

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