in american universities,classes are often arranged in more flexible ___and many jobs on campus are reserved for studentsA.scales B.grades C.ranks D.patterns

in american universities,classes are often arranged in more flexible ___and many jobs on campus are reserved for studentsA.scales B.grades C.ranks D.patterns
in american universities,classes are often arranged in more flexible ___and many jobs on campus are reserved for students
A.scales B.grades C.ranks D.patterns

in american universities,classes are often arranged in more flexible ___and many jobs on campus are reserved for studentsA.scales B.grades C.ranks D.patterns
D!
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