单项选择题

In American universities, classes are often arranged in more flexible ______ and many jobs on campus are reserved for students.

A. scales
B. ranks
C. grades
D. patterns
<上一题 目录 下一题>
热门 试题

单项选择题
By the end of next month we ______ this assignment.
A. will finish
B. will be finishing
C. will have finished
D. have finished
相关试题