单项选择题
A．you are a foreigner B．you know their way of life C．you are as busy as they are D．you are a stranger there
A．unfriendly only when they are shopping B．actually friendly to foreign visitors C．indeed cold to foreign visitors D．in no hurry when walking in the street
A．smile to each other B．move at a fast pace C．chat with each other in a shop D．dine away from home