Which sentences are punctuated correctly? Check all that apply.The dog (that was barking) was a St. Bernard.That sculpture which is made of scrap metal was designed by an older artist.The astronauts on the mission were all experienced.The bicycle—that has the best brakes—is a European brand.One sport that I would like to learn is hockey.

C is correctly punctuated because it has no extra information that needs punctuation. In E, “that I would like to learn” identifies which sport, so it is essential and correctly has no commas. A incorrectly sets off the essential clause “that was barking” with parentheses, and D incorrectly sets off the essential clause “that has the best brakes” with dashes. B uses “which” for extra information but does not set the clause off with commas.

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