A.excellent
B.excuse
C.explain
D.express

A. People from different cultures handle space in different ways.
B. Many of the American who had lived overseas were bothered by culture differences.
C. Misunderstandings often develop between Americans and Arabs in social contacts.
D. Dr. Hall is interested in culture differences, especially man’s use of space.

A. Americans are forced to be efficient against their will
B. Americans should do what they are willing to do
C. people ought not to work so hard for efficiency
D. Americans are at a loss what to do