Grammar Quiz: Commas

Instructions: Find the comma error in each of the following sentences. It could be a missing comma or a comma where there shouldn't be one. If there is no error, choose the "no error" option.

Note: In the feedback, "Concise" refers to the related section in the Concise edition of The Canadian Writer's Handbook. "Essentials" refers to the related section in the Essentials edition of the handbook.

. Before deciding where to send her university applications, Charlene visited several distant campuses but she realized, to her surprise, that her first choice was in her home town.

. Outsourcing of information technology and business services, leads to average cost savings of 15 per cent, a survey found on Thursday, disproving market claims that it can reduce costs by more than 60 per cent.

. The kinds of jobs that are at the greatest risk of being outsourced, are those of middle wage-earners, who earn about $40,000 annually.

. Even moderate drinking, which is defined as 12 ounces of beer, 1.5 ounces of liquor, or 5 ounces of wine, has been found to cause internal bleeding.

. Although, exercise and healthy eating are not the most convenient weight-loss methods, they provide many benefits for anyone interested in losing weight and staying healthy.

. As anorexia is a serious eating disorder today it will not be easy to eradicate, but it is possible to educate people about its causes and possible consequences.

. Cocaine, a crystalline alkaloid obtained from coca leaves, is a stimulant, to the nervous system and is a very addictive drug.

. Researchers Eastin and Griffiths found that games involving the kind of violence that a person is likely to encounter in real life, such as fighting, had a greater effect on aggression, than games involving rarely encountered violence, such as shooting.

. Jeff Deffenbacher, Ph.D. a specialist in anger management, believes that some people naturally have a low tolerance for everyday annoyances.

. Markus agreed that the purpose of great literature was to both entertain and inform, not only to entertain.

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