A.Windows NT backup
B.Disk administrator
C.Windows NT diagnostics
D.Server manager
Universities charge students a rather high tuition mainly because ______.
A.they provide the students with very prosperous subjects to learn
B.they assume that their graduates can earn much more than they had paid
C.they don't get financial support from the government
D.they need much revenue to support the educational expenses
A.shall need to
B.are going
C.to catch
D.the 8:30 train