40. In Mr．Leonard’S school，most ofthe students who don’t have to pay for lunch____． A．are adopted children B．are parentless C．are homeless D．have a single parent

38．Paragraph 4 tells us that when visiting a foreign country,____. A．it is very uncommon for one to encounter embarrassing situations B．it is hard for one to adapt to the material aspects of life there C．people often expect tO meet differences in customs D．people expect the same kind of food and weather