itsopen "Let yourself in" Rap response "Let yourself in!" Reply to some knocks Rap rejoinder Possible response to a knock Friendly response to a knock Doorbell response [Knock, knock] response "No need to knock" "No need for your key" "Just turn the knob" "Come right on in!" "Come on in!" response to a doorbell: 2 wds "Walk right in!" Response to a knock, perhaps "Come on in" Shout after a knock Answer to a knock "Come in!" Reply to a knock Response to a knock Response to a doorbell Response to a knock at the door Reply to a knocker