Having completed most of the quiz, I'm struggling with the last few, and would welcome any help please. 1. Which river is nicknamed 'Old Muddy' - the Thames, Rhine or Mississippi? 2. Which city has the most canals, Manchester, Brimingham or Liverpool? 3. Which drink did the American Indians in the Wild West call Fire Water? 4. Which name for an expert in a particular hobby is the same as a padded jacket? Many thanks.