Unnecessary commas (autoscored)

In each pair, choose the sentence that uses commas correctly and that has no unnecessary commas.

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

1 of 5

Question

KbdBPR10pe0WldK9VjS5QFdZ5zqAdyukYvjKiooAtEJCOCH2T3lLiqx+cvFjCKOevjbsllI5sg2yGOQK+BjTDFiAdizK5LkhTquXOO4etLZWv1M5o1sjJw4uic7MS5XWMYJgymAGW+b07z49il8ssS0QjQ/y/gksfb+M+oZ4VDTaK9UfZsirAr6vo7wQkpETe5Ye9aGO5SWc4zBGA29qO97CosNVZQ2xqGMmaDz5Y50qhtvYnhHe48vztnBrxzq+7vJf+uQZ8pUFSdL1WXeX0ohcit+fTuS22oeHXQFs34L6DqbeOye/zaOn1QsIktDpgptAsLcaS7R24FwpBMt77m0H0ha6CGV98ZujcF2uoFQDmypiXJCQokVhuA+4FadakOV8dAIMu+kk/2SdKdfuGeWUvA0Jid+zSD8fYcVvffyofXifvrLK1zu6msFy1kzgxGWYm7LiZ+roBU3C2gAtEkEk4dkRnHYttSEEAYQrC9WMEwln3t4lv1UR2O8XH7R7syPXB2AcVPtYY/kBDIYVW4wPMBS52crgp/idRKQWmCwnZxUkeYlBYt4WkjOM3Y37JXJeuUsiPWg/u5J45H+alQemPvv0s81Ul+YKdBgcOHdZNfcbV2HgNSGj5khu9Sp0
Unnecessary commas – 1

2 of 5

Question

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
Unnecessary commas – 2

3 of 5

Question

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
Unnecessary commas – 3

4 of 5

Question

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
Unnecessary commas – 4

5 of 5

Question

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
Unnecessary commas – 5