Although the rest of the family can't speak English, Enrico, the father, should be able to since he's a diplomat.
When Ward and Wally are in the garage the view out the side door is of a hedge and the sky.
Based on the layout of the house, as seen in other episodes, the view should have been of the house or backyard.
Based on the layout of the house, as seen in other episodes, the view should have been of the house or backyard.