### Clue: Nowt strange with one of TV duo being on that good form (7)
### Answer: DECORUM 
 ### Explanation: Definition: good form
 [ O(letter representing 0;nothing;nowt in dialect in Northern England) + RUM(strange;odd) ] **placed below**(with … being on that, in a down clue) DEC(Declan Donnelly, one half of Ant and Dec, English comedy and TV presenting duo).