A．It is an important exam students take for each course.
B．It is an important task assigned by each course.
C．It is a writing and research project designed by the school.
D．It is a writing task designed by Mrs. Happeny.
A．People began to go strike for food.
B．Some countries have to cut down food supplies.
C．People are dying of hunger.
D．Some governments have to drive their people into other countries.
A．80 million.
B．70 million.
C．More than 3,500 million.
D．About 3,000 million.
A．Latin America.
B．North America.
C．South America.
D．Central America.