1. 1. c. seven
2. c. state
3. c. twelve
2. Sugar, butter, snow.
3. It happened two centuries ago.
4. Become - became - become; Begin - began - begun; Run - ran - run; Swim - swam - swum.
5. 3. Washington, D.C - d) the capital of the USA; 1 - Asia - e) the continent where India is situated; 2. New York - b) the city people call "The Big Apple"; 4. The USA - c. The country which has got fifty states; 5. Australia - a) the name of continent and the country.