Question

Select the correctly punctuated sentence in this group.

a. Three major cities Hartford Bridgeport and Stamford make up the crucial voting blocks of Connecticut.
b. Three major cities -- Hartford, Bridgeport, and Stamford -- make up the crucial voting blocks of Connecticut.

Answer 1

The correct answer is: [B]:
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"Three major cities -- Hartford, Bridgeport, and Stamford -- make up the crucial voting blocks of Connecticut."
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Answer 2

The correctly punctuated sentence is b. Three major cities -- Hartford, Bridgeport, and Stamford -- make up the crucial voting blocks of Connecticut.

Step-by-step explanation:

An em dash, also called long dash, is used to mark off information or ideas that are not essential to undersand the rest of the sentence. They are used in pairs, surrounding the secondary information, in this case, Hartford, Bridgeport, and Stamford.