Related Clues:

• Indispensible thing
• It's compulsory
• Closet-y smell
• "I ___ be dreaming!"
• Alec's out of Muscatels and freshly pressed juice
• 'You ___ be kidding!'
• 'Everything ___ go!'
• Really should
• Essential element of returned contract summarised in part
• Should the East stop ignoring borders?
• A necessary thing
• 'If We ___ Die'
• Damp smell
• Has to be new wine
• ___-see (can't-miss attraction)