Chapter 209. Exercise P2-4

209.1 Section Title

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You must read each slide, and complete any questions on the slide, in sequence.
Exercise P2-4
Misuses of the comma
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In each pair, click on the sentence that uses commas correctly.

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. The phrase from single-child families is restrictive, so no commas are necessary. For more help, see section P2.
Sorry. The phrase from single-child families is restrictive, so no commas should be used. For more help, see section P2.
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Question

Correct. A comma should not be used after the coordinating conjunction and. For more help, see section P2.
Sorry. A comma should not be used after the coordinating conjunction and. For more help, see section P2.
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Question

Correct. No comma is needed because the phrase and return north in February is not an independent clause. For more help, see section P2.
Sorry. No comma is needed because the phrase and return north in February is not an independent clause. A comma should be used before and when it joins independent clauses, but a comma is unnecessary when and joins other compound word groups. For more help, see section P2.
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Question

Correct. No comma is necessary after the subordinating conjunction Although. For more help, see section P2.
Sorry. A comma should not be used after the subordinating conjunction Although. For more help, see section P2.
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Question

Correct. No comma is needed before Namibia, the first item in the series. For more help, see section P2.
Sorry. No comma is needed before Namibia, the first item in the series. For more help, see section P2.
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Question

Correct. No comma is necessary after a phrase that begins an inverted sentence. For more help, see section P2.
Sorry. No comma is needed. This is an inverted sentence (the verb, was, appears before the subject, a twenty-volume set), so a comma should not be used after the beginning phrase. For more help, see section P2.
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Question

Correct. A comma should not separate the subject (The Venus flytrap . . . ) from its verb (consume). For more help, see section P2.
Sorry. A comma should not separate the subject (The Venus flytrap . . . ) from its verb (consume). For more help, see section P2.
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Question

Correct. Because Mark Twain wrote many novels, the appositive phrase Adventures of Huckleberry Finn is restrictive. Restrictive appositives should not be set off with commas. For more help, see section P2.
Sorry. The other version is correct. Because Mark Twain wrote many novels, the appositive phrase Adventures of Huckleberry Finn is restrictive. Restrictive appositives should not be set off with commas. For more help, see section P2.
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Question

Correct. Because the adverb clause (until she finds . . . ) is essential to the meaning of the earlier part of the sentence, it should not be set off by a comma. For more help, see section P2.
Sorry. The other version is correct. Because the adverb clause (until she finds . . . ) is essential to the meaning of the earlier part of the sentence, it should not be set off by a comma. For more help, see section P2.
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Question

Correct. Commas should not be used to set off indirect (reported) quotations. For more help, see section P2.
Sorry. The other version is correct. Commas should not be used to set off indirect (reported) quotations. For more help, see section P2.
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