Commas with nonrestrictive elements

In each pair, choose 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.)

For help with this exercise, see Commas and restrictive and nonrestrictive elements.

Example

1 of 5

Question

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
Commas with nonrestrictive elements – 1

2 of 5

Question

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
Commas with nonrestrictive elements – 2

3 of 5

Question

fkBI9UfnctcFcDzyPUB5HsMCb6pTw12iCTnj1Uar3IQu+i+f7HTEZo+pX+jpYg+7TdRp9jsQYiMTav2UmSIZSc0++fKWDbOGWS8kS5lCcZcyR3C6gUV4zvmVKMs14ko2JZy+BNQBiujxQsvjCJDAfTbDmrnWo5YnvU5+FT8WfS540BjxVJj9sr5OXYsqxlij7533A6T1yY5/KzPqHieZOJhKYp4Om/GLxMVsW/XA2r++9Dzoe84I9A55aYieSqynbA93uUBwlwJU+KYzm9emwKp/iZLX4y0WVK3ajV4GSHonp0/ptndkysD1+3/eB45SgqW+VC9YG/2nbyJmsDz99Vcq7mYJc7YPGHCZ7oUsLaoa5PZnVh0VN9cZr4jkitdYGUZpJxC+EN9DnYCJcQI9aiX1KO3pDrBSq10dW/F6x4TiRYB/H/3gU6cAFPhowckhnPmI3Ec2035H2SIoy9ltQZaUvVUEehPGHr+klTMpNk3o3bfkjpS1x0fcf2wBwU9IPaKDTwBHJMIUy8mEYK7fhNspkfElUcagBQebhfRAIFOih6jOH/R7h3lz/ltUbDryQQME5zqrXXnVqD8IEGxjsyYO6/d4i6BCNaRFxTIx2geSivp1PXY93DZ+bYLTfc3Y4eCBb7iGvUXPaOOeDHZaNzTqqqsqwU56685sg4m13eDKnkfY8Q02tQ1fm74=
Commas with nonrestrictive elements – 3

4 of 5

Question

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
Commas with nonrestrictive elements – 4

5 of 5

Question

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
Commas with nonrestrictive elements – 5