Câu 3:
Everybody knows hamburger is a very popular (1) American food．However, people in the United States learned to make hamburgers (2) from Germans. The Germans got the idea from Russia．
In the thirteenth century the Tartar people from Central Asia moved (3) to Russia and parts of Europe. They ate (4) 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, too (5). Germans from Hamburg and they added salt，pepper, a raw egg, and then cooked it．
Between 1830 and 1900 thousands of (7) Germans went to live in the United States．They took the hamburger with them (8). People called it hamburger steak．
In 1904 at the World's Fair in St.Louis (a city on the Mississippi River), a man from Texas sold hamburger steak in a roll. Then people could eat it with (9) their hands, like a sandwich．This was the first real hamburger like (10) the hamburgers we eat today．
Câu 4:
1. We must remember to eat sensibly.
2. Then, Hoa heat a pan and stir-fried the beef.
3. Sugar is not an healthy food because we need it to live.
4. The nurse wanted to know Nga's height and weight.
5. Mr.Hung has a very painful tooth.
Good luck!
