American students usually get their high school diploma at the age of______.A．12B．17C．20D．

The American universities usually select applicants for their graduate programmes main

How would a foreign student feel if he tried to imitate the behavior. of American students

Part－time workers usually get _____ by the hour. A. pay B. paying C. paid

______ is usually regarded as the first American writer.A．William BradfordB．Anne Bradstree

American children usually begin their school at the age ofA．7.B．6.C．5.D．4.

_____ was usually regarded as the first American writer.A．William BradfordB．Anne Bradstree