Related Clues:

• Waiting to buy tickets, say
• Waiting, perhaps
• Waiting to attend, as a show
• ''... and pretty maids all in ___''
• Three in ___
• Like DMV visitors, most of the time
• Have one's ducks in ___
• On queue
• Waiting at the bank, say
• What ducks may be in
• Queued for tickets
• "... and pretty maids all in ___"
• Awaiting service
• Had ___ (argued)
• In __: lined up