Everybody knows that the hamburger is a very (56) _____ America food. However, people in the United States learned to make hamburgers (57)________Germans. The Germans got the idea from Russia. In the thirteenth century the Tartar people from Central Asia (58) ________to Russia and parts of Europe. They (59) ________something like hamburger meat,but it was raw. This raw meat was beef, lamb, goat meat or horsemeat. Soon the Russians started to eat raw meat, (60) ________Germans from Hamburg and other northern cities learned to eat this food from the Russians (61) ________they added salt, pepper, a raw egg, and then cooked it. Between 1830 and 1900 thousands (62) ________Germans went to live in the United States. They took the hamburger with (63) ________. People called it hamburger steak. In 1940 at the World's Fair in St. Loui (a city on the Mississippi River) a man from Texas sold hamburger steak in roll. Then people could eat it (64) ________ their hands, like a sandwich. This was the first real hamburger (65)__________ the hamburger we eat today. nhanh nhất có thể nha