A．The role of immigrants in the construction of American society.
B．The importance of offering diverse courses in European history.
C．The need for greater cultural diversity in the school curriculum.
D．The historic landing of Europeans on the Virginia shore.

A．He was wondering if the speaker was used to living in America.
B．He was trying to show friendliness to the speaker.
C．He wanted to keep their conversation going.
D．He believed the speaker was a foreigner.

A．The US population doesn't consist of white European descendants only.
B．Asian tourists can speak English as well as native speaker of the language.
C．Colored people are not welcome in the United States.
D．Americans are in need of education in theft history.