When are colons used? Choose three correct answers.

A colon can introduce a list, as in “Bring three items: a pen, paper, and a ruler.” It is also used between hours and minutes in 12-hour time, such as 3:30 p.m., and after the greeting in a formal letter, such as “Dear Ms. Lee:”. A colon does not generally follow an introductory phrase or separate clauses in a series.

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