1. Pearl, egg shell, bone, and porcelain are all shades of what basic colour? (5 letters) 2. What is the name of the shop where you can usually buy nails, screws, building materials and tools? (8 letters) 3. What is the name of the street in New York most famous for its stock exchange? (4 letters) 4. What is the surname of a doctor (on the right) with his famous companion (6 letters)