Possible Clues:

• What 'bis' means
• x 2
• 'The -- and the throstlecock, chief music of our May' (Drayton)
• The Process of Elimination: In the answer to each starred clue, cross out any letter that appears ___; then read the letters that remain
• How many times a day a stopped clock is right
• Smart way to think?
• Link with facilities interspersed in Times2?
• Twofold
• How many times Napoleon was exiled
• Think ___ (consider carefully)