ACCORDING TO THE PASSAGE, ONE IMPORTANT CHANGE IN UNITED STATES EDUCA...

Câu 29: According to the passage, one important change in United States education by the 1920's

was that _____.

A. most places required children to attend school

B. adults and children studied in the same classes

C. new regulations were imposed on nontraditional education

D. the amount of time spent on formal education was limited