Misuses of the comma 1

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.)

For help with this exercise, see Unnecessary commas.

Example

1 of 10

Question

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
Misuses of the comma 1 – 1

2 of 10

Question

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
Misuses of the comma 1 – 2

3 of 10

Question

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
Misuses of the comma 1 – 3

4 of 10

Question

f4ondRjoE8iFY1XITIlnZb89MrYy0MBH2n7OaK69rufmSCJocjl4B50r8ZWhiMb/YPJFggHBE3o1fj+vXZDii2S2EYY8UqKnO9fpgQZ5TfbNF/xvUNh2hJ0RKyx6ybZOu6Ex/IUwtokrmUyYH8xj0o4ZRWTUhtW3cu5fAMQ30OShpYgxCJabNbxq7d4BYTZKEUcaAO6HjRVxxvCgDqx2uYEEG9yQGfByGmTquz5kKyH1i4ZZzK6d5xPfNQt0D2r8mVnjWKM61zVF5F0ZXQHzhdY8fovzOR3WS/siKfHp2bbxQCGDzJHzpos37UxVgB13qcDLiSrNEeCp9SB8BQxhsaRVBgqUE5XJD3o1ss2Q1hTGQWc0th/2r/62XhXzqyn7+TfEM5XT5W5Dv6pgeqEq9nD4AgDpp2YPSZJRvdAzLIB5Rmyz
Misuses of the comma 1 – 4

5 of 10

Question

TZ2VSwXrpbfsuiv8jaFkTq/tc3663jSTRDqS1rcknjWQZs4U/H0eKCH3UaMUZa1bLTTjebhXxHgXOn3VXhVSR/s/qnwQBf/L1/zHFYC0FQ7seMxYEs3/U0aLqwob6Hp0WBQ0uvY2MGnP/txnsTvoK0tRVruvkBgc+Q/6ZQwQrypVGJ4/+yqgo/Sw7Z4i+DcJ7hG+OpUxMrar0w5Zx02nzR7MA3IfIciS64wYvQynShcC8oOxx2Dc/A7GFIyY1dG6GTlnXdq1u0XEkwm3+k90o+9mJGjfme3dgarvdvwgPIpEhz5M4ANfB5Vd6fPm8pk1c6oxFuAumajhIaYFeqd6UFz2w0R30Xauksey1jfEIzq0nmEIIDoAkLXhoHVYBKE+yPGtCJvbF+tkJp++j6TBwkwcU5F4wMNsFZIh7nLjdws91i6u/mST88Six0QSosFS+2N79g==
Misuses of the comma 1 – 5

6 of 10

Question

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
Misuses of the comma 1 – 6

7 of 10

Question

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
Misuses of the comma 1 – 7

8 of 10

Question

3TAFt2gt7NVc/rMG/+VmYYihjEgMe3+VeL4cJQkFnCgJOGRW4FS0lH5o9riLLnu8La2syXxtWpilkpc9UdifMcq7Aji/OkvNCMo/WMPKg70veMcuKzeqQ7efV6Oa2GDE3Wu4Dlta4ZEPKtxKHBB3qSOWT5nNyXASp4CX4m6rReK3VTO8H6bubDLTOXSWflqK1FHp5QYfT8K+tPz8d3HYNV9MzBobEdYWnxkJCHzmeKUYZC9u+2DFo2Y2NSqEbYekMFeT+rAY+q9qQktQkeXkHMDC9ho7VQWw2viNRMOoeMHaUuGd1Km8Jud40/k+Y5l9lPCbPe+KLEU7zFQJem587cYP83oLC1w8TyNe98NMt3pTmeCozQU4xbJOcWNeq4lHoz3J8rJWXLK1j1hpYo7Ho7aUSuSasJAxbh5/SpUSV1phQAijbiE9PHsVyiuy9B9k5Y+F6pBbWTOI/QioojX+958FZdc04H0phBRKBnUoDc+KK87gTNgfzVbzK8JTt8cM6V8kASAR2vTZCPb/CJimTaVPMs7mFLlykJP7zKd+XRojAnetmjIBQo0pii9wL4VGgLltW41Odc+/hcugmVlmfKqVd5VaZviuvcrcH6f+/T17EjHUSQTti7uZYTC8fQsaCk0SJFz0mz213xQwPS5TjuUxHytxAgDE9HZ3jzNozQ12Kh7MNw6XJjRD/0IpDmYhSuawMCnbn/UsvBahfR2hgC6WNEZfIsI0q1WSkeKOR0XnqdqhmGG8E4ECeBIrcM2QF4akATIUYAztYhkyo0GbCquuoKv/bdo4lfX38bYtE3d5v8vR5ZqqvCao1Ufl8XcftA4zwuYNe2ywlspup3AOqPOEkbQZrzUwMOU4QrnhlTrwmtpA7Lqnd5+szgkMvDZ6RQbunACeDMfKLH+oZp6rXsYB+2YiVtfsytTUh8IcTvIIn2b33CiODW3AIjuCfxMVwlTK9t8EujSsMgmNRAs+rLJYlk3nnNtFNM4IDrA8B2PtoqZWxbBHSQ==
Misuses of the comma 1 – 8

9 of 10

Question

Bf7idV26hxrXEmXFIdZgqQ411yiiQ+sZXudyQdSkohMVMnWW1kPov9oMK2qm2jz0bO14qgfBXX5uf5ecYH8gnWm06bBL6LOBPTxmM2vIPjxGCMhWyN1nIwsumtMq1BvQTRUhBAbde8FXjRbEg67TCzYZSI8k0xwSecYHK/fPunzvtF8smb1IDkj8g+Gca3cP+RvUw4LvD+xolN6j5ECrVOb0nRufCXA13VU8dhn/SI7dHG6aYoOcuEWgMzaCYU6IS0YRd4vpEq8lrubC/FZNMRWmNTHJybn0GN7j+cWC5qeHu+OZk+m0rX8Wb+B2sO1SXGUnWWfR+uHbZugOooVxe0R1v4s/pMYA5YeZOYZBSeoI8u1Pvd16VLZhfqjpD/vA+v/088SLLAC99o6v7XhTT0WMRAdBUwj1rJ7Ofj3pdS/z1TbmW/o6RJ5hND643rsonaXV+CDnRykIuisUViB1dV9WgkILXububCG5q84Ug9EpckFU4ioOirOQPId18dCLOt4lI3bHnnXejV9MCvVRz8yFWgy8d5xDA8ZzVLwc0SntxlXtUndI+O6c9EO1JdPfXvWPglwSetGshOyeyEGiRIBtx16CibjI3MPvig1aBSYFuFMNHHqmO/BDZ8y2Gai51pjMj+g9mwYSbHFsReSAXu0cwZxP5seG89fWy9bmvqQy/4++0dPV1oBZSOs4f+aNlJitkEvVkpB3p8Myh1afT8zXgey0eUgrn41sWnHlUsv+3ACR
Misuses of the comma 1 – 9

10 of 10

Question

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
Misuses of the comma 1 – 10