When did a mass move to the suburbs begin
问题:
When did a mass move to the suburbs begin in the U.S.
A.In the 1960s.
B.In the 1940s.
C.In the 1970s.
D.In the 1950s.
When did a mass move to the suburbs begin in the U.S.
A.In the 1960s.
B.In the 1940s.
C.In the 1970s.
D.In the 1950s.