Multiple choice Ali had to go to the boys' room in the middle of class. boy's room boys's room boys room no change Reveal answer Fill a bubble to check yourself D Correct answer Explanation The term 'boys' room' is a plural possessive noun phrase referring to a restroom designated for boys. Since 'boys' is plural and ends in 's', the apostrophe goes after the 's', making 'no change' the correct choice.