Which sentences are punctuated correctly? Check all that apply.

C is correctly punctuated: “on the mission” identifies which astronauts, so it needs no commas. E is also correct: “that I would like to learn” identifies which sport, and a restrictive “that” clause is not set off with punctuation. A incorrectly puts parentheses around an identifying clause. B needs commas around the nonessential “which” clause, and D uses dashes to set off a clause with “that,” which is normally restrictive.

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