This topic is taught through its practice: 12 practice questions, each with the reasoning behind the answer, and the same idea again in plain words.
Quick check
5 questions here, of 12 in this lesson’s practice set. Answers stay hidden until you check.
Question 1 of 5foundational
Which statement best describes the function of the serial (Oxford) comma?
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Question 2 of 5foundational
What is the primary purpose of a semicolon in standard written English?
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Question 3 of 5foundational
Which statement accurately describes how the apostrophe works in standard written English?
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Question 4 of 5intermediate
How does adding commas to produce "The patients, who were dehydrated, received IV fluids" change the meaning compared with "The patients who were dehydrated received IV fluids"?
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Question 5 of 5intermediate
What is the primary purpose of the colon in "The chart listed three vital signs: temperature, pulse, and respirations"?