201.1 Section Title
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You must read each slide, and complete any questions on the slide, in sequence.
Exercise P1-15
Major uses of the comma
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In each pair, choose the sentence that uses commas correctly. In the correct sentence, all commas that appear are necessary.
Click Submit after each question to see feedback and to record your answer. After you have finished every question, your answers will be submitted to your instructor’s gradebook. You may review your answers by returning to the exercise at any time. (An exercise reports to the gradebook only if your instructor has assigned it.)
Example
Question
Correct. No commas are needed in this sentence. The appositive chlorinated hydrocarbon is restrictive (essential), so it is not set off with commas. For more help, see section P1.
Sorry. The appositive chlorinated hydrocarbon is restrictive (essential), so it should not be set off with commas. For more help, see section P1.
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Question
Correct. The introductory phrase is correctly set off with a comma. For more help, see section P1.
Sorry. The introductory phrase Founded in 1868 should be set off with a comma. For more help, see section P1.
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Question
Correct. The adjectives impossible and demanding are coordinate and are correctly separated with a comma. For more help, see section P1.
Sorry. The adjectives impossible and demanding are coordinate and should be separated with a comma. For more help, see section P1.
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Question
Correct. The appositive a high-tech fighter is nonrestrictive (nonessential), so it is correctly set off with commas. For more help, see section P1.
Sorry. The appositive a high-tech fighter is nonrestrictive (nonessential), so it should be set off with commas. For more help, see section P1.
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Question
Correct. No comma is needed between the cumulative adjectives several and well-preserved. The appositive reminders of a bygone era of sea travel is nonrestrictive (nonessential), so it is correctly set off with a comma. For more help, see section P1.
Sorry. No comma is needed between the cumulative adjectives several and well-preserved. The appositive reminders of a bygone era of sea travel is nonrestrictive (nonessential), so it is correctly set off with a comma. For more help, see section P1.
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