Youmustknowthe“dingdongditch”.PersonAringsPersonB’sdoo...
问题详情： Youmustknowthe“dingdongditch”.PersonAringsPersonB’sdoorbell,andthenquicklyrunsawayorhidesbeforePersonBanswers.PersonBhurriestoanswerthedoor,onlytofindthatonone’sthere.Afterthe__16__thing...