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Common Errors Workbook |
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Punctuation and mechanics |
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27. Commas with that and which clauses |
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In each of the following questions choose whether a comma is needed or not.
Kwanzaa __1__ (comma/no comma) which was first celebrated in 1966, is now celebrated by an estimated 13 million African Americans. Greeting cards __2__ (comma/no comma) that celebrate Kwanzaa can be bought in major card shops, right next to cards for traditional occasions like Thanksgiving and Christmas. An African American family __3__ (comma/no comma) that celebrates Kwanzaa typically decorates the home with symbolic objects such as a Unity Cup.
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