| Answer | Crossword Clue |
|---|---|
| DUET | Number one can't do |
| uniquer | being the only one sole his unique concern was his own comfort I can't walk away with a unique copy. Suppose I lost it? Kingsley Amis the unique factorization of a number into prime factors |
| DUET | Something one can't do |
| DUET | One can't do this |
| SETTLING | Accepting that one can't do better |
| SIT | Something one can't stand to do |
| LONELIEST | "One is the ... number that you'll ever do" (Three Dog Night lyric) |
