Possible Clues:

• Piglet: Do you think it's a-a-a Woozle? Pooh: It may be. ____ it is, and ____ it isn’t
• A limited number taking newspaper every now and then
• Up, feel great about University, occasionally
• In certain cases but not always
• Every so often, Somme site is redeveloped
• I seem most agitated on occasion
• Admiring remark about runner's feats, on occasion
• Arab doctors turn up occasionally
• A remarkable rival to the Telegraph? Not always
• Now and again getting by on a little