Were you joking, or are those all questions they've already asked? I know the first two have been used, at least.
As evidenced in their latest YouTube clip, Family Feud has changed back the rule from "throw out the question if the two people at the podium get it wrong" to "go to the next people down the line."
The rule was changed at the beginning of the season. Discussed
here (where there's even a post about the 'roll up' question as a bonus).